| GOID Link to GO |
Functional Category | Description | Protein Count link to protein list |
|---|---|---|---|
| GO:0009792 | embryo development ending in birth or egg hatching | The process whose specific outcome is the progression of an embryo over time, from zygote formation until the end of the embryonic life stage. The end of the embryonic life stage is organism-specific and may be somewhat arbitrary; for mammals it is usually considered to be birth, for insects the hatching of the first instar larva from the eggshell. | 606 |
| GO:0001701 | in utero embryonic development | The process whose specific outcome is the progression of the embryo in the uterus over time, from formation of the zygote in the oviduct, to birth. An example of this process is found in Mus musculus. | 96 |
| GO:0042472 | inner ear morphogenesis | The process in which the anatomical structures of the inner ear are generated and organized. The inner ear is the structure in vertebrates that contains the organs of balance and hearing. It consists of soft hollow sensory structures (the membranous labyrinth) containing fluid (endolymph) surrounded by fluid (perilymph) and encased in a bony cavity (the bony labyrinth). It consists of two chambers, the sacculus and utriculus, from which arise the cochlea and semicircular canals respectively. | 59 |
| GO:0048598 | embryonic morphogenesis | The process in which anatomical structures are generated and organized during the embryonic phase. The embryonic phase begins with zygote formation. The end of the embryonic phase is organism-specific. For example, it would be at birth for mammals, larval hatching for insects and seed dormancy in plants. | 45 |
| GO:0001947 | heart looping | The tube morphogenesis process in which the primitive heart tube loops asymmetrically. This looping brings the primitive heart chambers into alignment preceding their future integration. Heart looping begins with dextral-looping and ends when the main regional divisions of the mature heart and primordium of the great arterial trunks become established preceeding septation. | 44 |
| GO:0001700 | embryonic development via the syncytial blastoderm | The process whose specific outcome is the progression of the embryo over time, from zygote formation through syncytial blastoderm to the hatching of the first instar larva. An example of this process is found in Drosophila melanogaster. | 36 |
| GO:0001756 | somitogenesis | The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo. | 29 |
| GO:0048701 | embryonic cranial skeleton morphogenesis | The process in which the anatomical structures of the cranial skeleton are generated and organized during the embryonic phase. | 29 |
| GO:0048704 | embryonic skeletal system morphogenesis | The process in which the anatomical structures of the skeleton are generated and organized during the embryonic phase. | 27 |
| GO:0001843 | neural tube closure | The last step in the formation of the neural tube, where the paired neural folds are brought together and fuse at the dorsal midline. | 27 |
| GO:0008595 | anterior/posterior axis specification, embryo | The specification of the anterior/posterior axis of the embryo by the products of genes expressed maternally and genes expressed in the zygote. | 26 |
| GO:0045451 | pole plasm oskar mRNA localization | Any process in which oskar mRNA is transported to, or maintained in, the oocyte pole plasm. | 24 |
| GO:0042733 | embryonic digit morphogenesis | The process, occurring in the embryo, by which the anatomical structures of the digit are generated and organized. A digit is one of the terminal divisions of an appendage, such as a finger or toe. | 24 |
| GO:0035115 | embryonic forelimb morphogenesis | The process, occurring in the embryo, by which the anatomical structures of the forelimb are generated and organized. The forelimbs are the front limbs of an animal, e.g. the arms of a human. | 24 |
| GO:0035050 | embryonic heart tube development | The process whose specific outcome is the progression of the embryonic heart tube over time, from its formation to the mature structure. The heart tube forms as the heart rudiment from the heart field. | 24 |
| GO:0090103 | cochlea morphogenesis | The process in which the cochlea is generated and organized. | 23 |
| GO:0007369 | gastrulation | A complex and coordinated series of cellular movements that occurs at the end of cleavage during embryonic development of most animals. The details of gastrulation vary from species to species, but usually result in the formation of the three primary germ layers, ectoderm, mesoderm and endoderm. | 22 |
| GO:0021904 | dorsal/ventral neural tube patterning | The process in which the neural tube is regionalized in the dorsoventral axis. | 22 |
| GO:0007501 | mesodermal cell fate specification | The cell fate determination process in which a cell becomes capable of differentiating autonomously into a mesoderm cell in an environment that is neutral with respect to the developmental pathway; upon specification, the cell fate can be reversed. | 21 |
| GO:0043009 | chordate embryonic development | The process whose specific outcome is the progression of the embryo over time, from zygote formation through a stage including a notochord and neural tube until birth or egg hatching. | 20 |
| GO:0042074 | cell migration involved in gastrulation | The migration of individual cells within the blastocyst to help establish the multi-layered body plan of the organism (gastrulation). For example, the migration of cells from the surface to the interior of the embryo (ingression). | 19 |
| GO:0035116 | embryonic hindlimb morphogenesis | The process, occurring in the embryo, by which the anatomical structures of the hindlimbs are generated and organized. The hindlimbs are the posterior limbs of an animal. | 19 |
| GO:0035162 | embryonic hemopoiesis | The stages of blood cell formation that take place within the embryo. | 19 |
| GO:0016331 | morphogenesis of embryonic epithelium | The process in which the anatomical structures of embryonic epithelia are generated and organized. | 18 |
| GO:0001841 | neural tube formation | The formation of a tube from the flat layer of ectodermal cells known as the neural plate. This will give rise to the central nervous system. | 18 |
| GO:0007391 | dorsal closure | The process during Drosophila embryogenesis whereby the ectodermal cells of the lateral epithelium stretch in a coordinated fashion to internalize the amnioserosa cells and close the embryo dorsally. | 17 |
| GO:0001707 | mesoderm formation | The process that gives rise to the mesoderm. This process pertains to the initial formation of the structure from unspecified parts. | 17 |
| GO:0048568 | embryonic organ development | Development, taking place during the embryonic phase, of a tissue or tissues that work together to perform a specific function or functions. Development pertains to the process whose specific outcome is the progression of a structure over time, from its formation to the mature structure. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions. | 16 |
| GO:0008258 | head involution | Movement of the anterior ectoderm to the interior of the embryo. | 16 |
| GO:0060037 | pharyngeal system development | The process whose specific outcome is the progression of the pharyngeal system over time, from its formation to the mature structure. The pharyngeal system is a transient embryonic complex that is specific to vertebrates. It comprises the pharyngeal arches, bulges of tissues of mesoderm and neural crest derivation through which pass nerves and pharyngeal arch arteries. The arches are separated internally by pharyngeal pouches, evaginations of foregut endoderm, and externally by pharyngeal clefts, invaginations of surface ectoderm. The development of the system ends when the stucture it contributes to are forming: the thymus, thyroid, parathyroids, maxilla, mandible, aortic arch, cardiac outflow tract, external and middle ear. | 16 |
| GO:0009880 | embryonic pattern specification | The process that results in the patterns of cell differentiation that will arise in an embryo. | 15 |
| GO:0048596 | embryonic camera-type eye morphogenesis | The process in which the anatomical structures of the eye are generated and organized during embryonic development. | 15 |
| GO:0060027 | convergent extension involved in gastrulation | The morphogenetic process in which an epithelium narrows along one axis and lengthens in a perpendicular axis usually resulting in the formation of the three primary germ layers, ectoderm, mesoderm and endoderm. | 15 |
| GO:0046664 | dorsal closure, amnioserosa morphology change | The changes that occur during dorsal closure of the shape and structure of the amnioserosa, an epithelium that occupies the dorsal side of the embryo. | 14 |
| GO:0007394 | dorsal closure, elongation of leading edge cells | The change in shape of cells at the dorsal-most (leading) edge of the epidermis from being polygonal to being elongated in the dorsal/ventral axis. | 14 |
| GO:0048706 | embryonic skeletal system development | The process, occurring during the embryonic phase, whose specific outcome is the progression of the skeleton over time, from its formation to the mature structure. | 14 |
| GO:0001702 | gastrulation with mouth forming second | A gastrulation process in which the initial invagination becomes the anus and the mouth forms second. | 13 |
| GO:0030326 | embryonic limb morphogenesis | The process, occurring in the embryo, by which the anatomical structures of the limb are generated and organized. A limb is an appendage of an animal used for locomotion or grasping. | 13 |
| GO:0040016 | embryonic cleavage | The first few specialized divisions of an activated animal egg. | 13 |
| GO:0009793 | embryo development ending in seed dormancy | The process whose specific outcome is the progression of the embryo over time, from zygote formation to the end of seed dormancy. An example of this process is found in Arabidopsis thaliana. | 13 |
| GO:0060059 | embryonic retina morphogenesis in camera-type eye | The process in which the anatomical structure of the retina is generated and organized in a camera-type eye during the embryonic life stage. | 12 |
| GO:0048703 | embryonic viscerocranium morphogenesis | The process in which the anatomical structures of the viscerocranium are generated and organized during the embryonic phase. The viscerocranium is the part of the skull comprising the facial bones. | 12 |
| GO:0035099 | hemocyte migration | The directed movement of a hemocyte within the embryo. Hemocytes are blood cells associated with a hemocoel (the cavity containing most of the major organs of the arthropod body) which are involved in defense and clotting of hemolymph, but not involved in transport of oxygen. In Drosophila, embryonic hemocytes originate from the head mesoderm as a cluster of cells. The cluster splits into two and one group of cells crosses the amnioserosa. Both populations then spread toward the middle of the embryo and then disperse evenly throughout the embryo. | 12 |
| GO:0007390 | germ-band shortening | The spreading of the amnioserosa from its compressed state to cover the whole of the dorsal surface. Initiating in the thorax and spreading posteriorly, it is accompanied by the transition from a parasegmental to segmental division of the embryo. | 12 |
| GO:0042474 | middle ear morphogenesis | The process in which the anatomical structures of the middle ear are generated and organized. The middle ear is the air-filled cavity within the skull of vertebrates that lies between the outer ear and the inner ear. It is linked to the pharynx (and therefore to outside air) via the Eustachian tube and in mammals contains the three ear ossicles, which transmit auditory vibrations from the outer ear (via the tympanum) to the inner ear (via the oval window). | 12 |
| GO:0001703 | gastrulation with mouth forming first | A gastrulation process in which the initial invagination becomes the mouth and the anus forms second. | 12 |
| GO:0030917 | midbrain-hindbrain boundary development | The process whose specific outcome is the progression of the midbrain-hindbrain boundary over time, from its formation to the mature structure. The midbrain-hindbrain domain of the embryonic brain is comprised of the mesencephalic vesicle and the first rhombencephalic vesicle at early somitogenesis stages. | 12 |
| GO:0007367 | segment polarity determination | Division of the 14 parasegments of the embryo into anterior and posterior compartments; exemplified by the actions of the segment polarity gene products. | 12 |
| GO:0031076 | embryonic camera-type eye development | The process occurring during the embryonic phase whose specific outcome is the progression of the eye over time, from its formation to the mature structure. | 11 |
| GO:0000578 | embryonic axis specification | The establishment, maintenance and elaboration of a pattern along a line or a point in an embryo. | 11 |
| GO:0048562 | embryonic organ morphogenesis | Morphogenesis, during the embryonic phase, of a tissue or tissues that work together to perform a specific function or functions. Morphogenesis is the process in which anatomical structures are generated and organized. Organs are commonly observed as visibly distinct structures, but may also exist as loosely associated clusters of cells that work together to perform a specific function or functions. | 11 |
| GO:0001714 | endodermal cell fate specification | The cell fate determination process that results in a cell becoming capable of differentiating autonomously into an endoderm cell in an environment that is neutral with respect to the developmental pathway; upon specification, the cell fate can be reversed. | 11 |
| GO:0021915 | neural tube development | The process whose specific outcome is the progression of the neural tube over time, from its formation to the mature structure. The mature structure of the neural tube exists when the tube has been segmented into the forebrain, midbrain, hindbrain and spinal cord regions. In addition neural crest has budded away from the epithelium. | 11 |
| GO:0048557 | embryonic digestive tract morphogenesis | The process in which the anatomical structures of the digestive tract are generated and organized during embryonic development. The digestive tract is the anatomical structure through which food passes and is processed. | 11 |
| GO:0007362 | terminal region determination | Specification of the terminal regions (the two non-segmented ends) of the embryo by the gap genes; exemplified in insects by the actions of huckebein and tailless gene products. | 10 |
| GO:0061053 | somite development | The progression of a somite from its initial formation to the mature structure. Somites are mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo. | 10 |
| GO:0072289 | metanephric nephron tubule formation | The developmental process pertaining to the initial formation of a metanephric nephron tubule from unspecified parts. A metanephric nephron tubule is an epithelial tube that is part of a nephron in the metanephros. | 10 |
| GO:0048617 | embryonic foregut morphogenesis | The process in which the anatomical structures of the foregut are generated and organized, during the embryonic phase. | 10 |
| GO:0007493 | endodermal cell fate determination | The cell fate determination process in which a cell becomes capable of differentiating autonomously into an endoderm cell regardless of its environment; upon determination, the cell fate cannot be reversed. | 10 |
| GO:0010172 | embryonic body morphogenesis | The process in which the anatomical structures of the embryonic soma are generated and organized. | 10 |
| GO:0007395 | dorsal closure, spreading of leading edge cells | Dorsally-directed movement of a cell at the leading edge of the epithelium over the amnioserosa. | 9 |
| GO:0014034 | neural crest cell fate commitment | The process in which a cell becomes committed to become a neural crest cell. | 9 |
| GO:0060215 | primitive hemopoiesis | A first transient wave of blood cell production that, in vertebrates, gives rise to erythrocytes (red blood cells) and myeloid cells. | 8 |
| GO:0045448 | mitotic cell cycle, embryonic | The eukaryotic cell cycle in which a cell is duplicated without changing ploidy, occurring in the embryo. | 8 |
| GO:0007318 | pole plasm protein localization | Any process in which a protein is transported to, or maintained in, the oocyte pole plasm. An example of this is found in Drosophila melanogaster. | 8 |
| GO:0003143 | embryonic heart tube morphogenesis | The process in which the anatomical structures of the embryonic heart tube are generated and organized. The embryonic heart tube is an epithelial tube that will give rise to the mature heart. | 8 |
| GO:0030903 | notochord development | The process whose specific outcome is the progression of the notochord over time, from its formation to the mature structure. The notochord is a mesoderm-derived structure located ventral of the developing nerve cord. In vertebrates, the notochord serves as a core around which other mesodermal cells form the vertebrae. In the most primitive chordates, which lack vertebrae, the notochord persists as a substitute for a vertebral column. | 8 |
| GO:0072172 | mesonephric tubule formation | The developmental process pertaining to the initial formation of a mesonephric tubule from unspecified parts. A mesonephric tubule is an epithelial tube that is part of the mesonephros. | 8 |
| GO:0008078 | mesodermal cell migration | The orderly movement of mesodermal cells from one site to another. | 8 |
| GO:0060716 | labyrinthine layer blood vessel development | The process whose specific outcome is the progression of a blood vessel of the labyrinthine layer of the placenta over time, from its formation to the mature structure. The embryonic vessels grow through the layer to come in close contact with the maternal blood supply. | 8 |
| GO:0014029 | neural crest formation | The formation of the specialized region of ectoderm between the neural ectoderm (neural plate) and non-neural ectoderm. The neural crest gives rise to the neural crest cells that migrate away from this region as neural tube formation procedes. | 8 |
| GO:0001892 | embryonic placenta development | The embryonically driven process whose specific outcome is the progression of the placenta over time, from its formation to the mature structure. The placenta is an organ of metabolic interchange between fetus and mother, partly of embryonic origin and partly of maternal origin. | 8 |
| GO:0014036 | neural crest cell fate specification | The process in which a cell becomes capable of differentiating autonomously into a neural crest cell in an environment that is neutral with respect to the developmental pathway; upon specification, the cell fate can be reversed. | 8 |
| GO:0048615 | embryonic anterior midgut (ectodermal) morphogenesis | The process in which the anatomical structures of the anterior midgut (ectodermal) are generated and organized, during the embryonic phase. | 8 |
| GO:0001824 | blastocyst development | The process whose specific outcome is the progression of the blastocyst over time, from its formation to the mature structure. The mammalian blastocyst is a hollow ball of cells containing two cell types, the inner cell mass and the trophectoderm. | 8 |
| GO:0007350 | blastoderm segmentation | The hierarchical steps resulting in the progressive subdivision of the anterior/posterior axis of the embryo. | 8 |
| GO:0001706 | endoderm formation | The formation of the endoderm during gastrulation. | 7 |
| GO:0048752 | semicircular canal morphogenesis | The process in which the anatomical structures of the semicircular canals are generated and organized. | 7 |
| GO:0007396 | suture of dorsal opening | Closure of the dorsal hole. Filopodia extending from each leading edge interdigitate at the dorsal midline and appear to prime the formation of adherens junctions between the two rows of leading edge cells. Newly formed septate junctions are also used to seal the dorsal hole. | 7 |
| GO:0035290 | trunk segmentation | Partitioning of the blastoderm embryo into trunk segmental units. In Drosophila, the trunk segments include thoracic segments and abdominal segments A1 to A8. | 7 |
| GO:0035289 | posterior head segmentation | Partitioning the posterior region of the insect head anlage into gnathal (mandibular, maxillary and labial) segments. Unlike the anterior head (procephalic) segments, formation of the posterior head (gnathal) segments occurs by a similar mechanism to trunk segmentation, where a cascade of gap genes, pair-rule genes and segment-polarity genes subdivide the embryo into progressively smaller domains. | 7 |
| GO:0021903 | rostrocaudal neural tube patterning | The process in which the neural tube is divided into specific regions along the rostrocaudal axis. | 7 |
| GO:0048048 | embryonic eye morphogenesis | The process occurring in the embryo by which the anatomical structures of the post-embryonic eye are generated and organized. | 7 |
| GO:0002072 | optic cup morphogenesis involved in camera-type eye development | The invagination of the optic vesicle to form two-walled indentations, the optic cups, that will go on to form the retina. This process begins with the optic vesicle becoming a two-walled structure and its subsequent shape changes. It does not include the fate commitment of cells to become the pigmented retina and the neural retina. An example of this process is found in Mus musculus. | 7 |
| GO:0048566 | embryonic digestive tract development | The process whose specific outcome is the progression of the gut over time, from its formation to the mature structure during embryonic development. The gut is the region of the digestive tract extending from the beginning of the intestines to the anus. | 7 |
| GO:0007377 | germ-band extension | Elongation of the germ band on the ventral side of the embryo, accompanied by a halving in width. The elongation process pushes the posterior midgut invagination closed and compresses the amnioserosa further. | 7 |
| GO:0030538 | embryonic genitalia morphogenesis | The process, occurring in the embryo, by which the anatomical structures of the genitalia are generated and organized. | 6 |
| GO:0035118 | embryonic pectoral fin morphogenesis | The process, occurring in the embryo, by which the anatomical structures of the pectoral fin are generated and organized. Pectoral fins are bilaterally paired fins mounted laterally and located behind the gill covers of fish. These fins are used for lateral mobility and propulsion. | 6 |
| GO:0007443 | Malpighian tubule morphogenesis | The process in which the anatomical structures of the Malpighian tubule are generated and organized. This process takes place entirely during the embryonic phase. A Malpighian tubule is a fine, thin-walled excretory tubule in insects which leads into the posterior part of the gut. | 6 |
| GO:0001744 | optic lobe placode formation | Establishment of the optic placode, a thickened area of densely packed ectoderm cells directly overlying the optic vesicle in the early embryo. In Drosophila, for example, the placode appears in the dorsolateral region of the head in late stage 11 embryos and is the precursor to the larval visual system. | 6 |
| GO:0007370 | ventral furrow formation | Formation of a ventral indentation (furrow) from the blastoderm epithelium, which is internalized to form a tube in the interior of the embryo, marking the start of gastrulation. | 6 |
| GO:0021905 | forebrain-midbrain boundary formation | The process whose specific outcome is the creation of the forebrain-midbrain boundary. | 6 |
| GO:0001838 | embryonic epithelial tube formation | The morphogenesis of an embryonic epithelium into a tube-shaped structure. | 6 |
| GO:0030589 | pseudocleavage involved in syncytial blastoderm formation | Formation of furrows in the cytoplasm between nuclei during cell cycles in embryos that contribute to the formation of the syncytial blastoderm. An example of this process is found in Drosophila melanogaster. | 6 |
| GO:0060711 | labyrinthine layer development | The process in which the labyrinthine layer of the placenta progresses, from its formation to its mature state. | 6 |
| GO:0002093 | auditory receptor cell morphogenesis | Any process that alters the size or shape of an auditory receptor cell. | 6 |
| GO:0042473 | outer ear morphogenesis | The process in which the anatomical structures of the outer ear are generated and organized. The outer ear is the part of the ear external to the tympanum (eardrum). It consists of a tube (the external auditory meatus) that directs sound waves on to the tympanum, and may also include the external pinna, which extends beyond the skull. | 6 |
| GO:0003146 | heart jogging | The morphogenetic process in which the heart cone is displaced to the left with respect to the vector of the anterior-posterior axis. | 5 |
| GO:0001829 | trophectodermal cell differentiation | The process in which a relatively unspecialized cell acquires the specialized features of a trophectoderm cell. | 5 |
| GO:0007314 | oocyte anterior/posterior axis specification | Polarization of the oocyte along its anterior-posterior axis. An example of this is found in Drosophila melanogaster. | 5 |
| GO:0035288 | anterior head segmentation | Partitioning the insect head anlage into procephalic (labral, (ocular), antennal and intercalary) segments. The procephalic segments lie anterior to the gnathal (posterior head) segments, and are pattered by different segmentation gene cascades to the abdominal, thoracic and posterior head (gnathal) segments. | 5 |
| GO:0007381 | specification of segmental identity, labial segment | The specification of the characteristic structures of the labial segment following establishment of segment boundaries. Identity is considered to be the aggregate of characteristics by which a structure is recognized. | 5 |
| GO:0030916 | otic vesicle formation | The process resulting in the transition of the otic placode into the otic vesicle, a transient embryonic structure formed during development of the vertebrate inner ear. | 5 |
| GO:0001710 | mesodermal cell fate commitment | The cell differentiation process that results in commitment of a cell to become part of the mesoderm. | 5 |
| GO:0035298 | regulation of Malpighian tubule size | Ensuring that a Malpighian tubule is the correct length and diameter. | 4 |
| GO:0071600 | otic vesicle morphogenesis | The process in which the anatomical structures of the otic vesicle are generated and organized. The otic vesicle is a transient embryonic structure formed during development of the vertebrate inner ear. | 4 |
| GO:0001831 | trophectodermal cellular morphogenesis | The morphogenesis of trophectoderm cells. | 4 |
| GO:0061331 | epithelial cell proliferation involved in Malpighian tubule morphogenesis | The multiplication or reproduction of epithelial cells, resulting in the expansion of a cell population and contributing to the shaping of a Malpighian tubule. | 4 |
| GO:0030910 | olfactory placode formation | The formation of a thickening of the neural ectoderm in the head region of the vertebrate embryo which develops into the olfactory region of the nasal cavity. | 4 |
| GO:0030590 | first cell cycle pseudocleavage | A process that occurs during the first cell cycle in an embryo, in which anterior cortical contractions culminate in a single partial constriction of the embryo called the pseudocleavage furrow. An example of this process is found in nematode worms. | 4 |
| GO:0001840 | neural plate development | The process whose specific outcome is the progression of the neural plate over time, from its formation to the mature structure. The neural plate is a flat, thickened layer of ectodermal cells. The underlying dorsal mesoderm signals the ectodermal cells above it to elongate into columnar neural plate cells. The neural plate subsequently develops into the neural tube, which gives rise to the central nervous system. | 4 |
| GO:0007374 | posterior midgut invagination | Formation of a cup-shaped invagination at the posterior end of the embryo, bringing the posterior midgut and hindgut primordia into the interior. | 4 |
| GO:0001757 | somite specification | The process in which individual somites establish identity during embryogenesis. | 4 |
| GO:0055113 | epiboly involved in gastrulation with mouth forming second | The expansion of one cell sheet over other cells involved in deuterostomic gastrulation. | 4 |
| GO:0016332 | establishment or maintenance of polarity of embryonic epithelium | Any cellular process that results in the specification, formation or maintenance of anisotropic intracellular organization of epithelial cells in an embryo. | 4 |
| GO:0046663 | dorsal closure, leading edge cell differentiation | The process in which a relatively unspecialized cell acquires specialized features of a leading edge cell, the dorsal-most cells of the epidermis that migrates during dorsal closure. | 4 |
| GO:0048702 | embryonic neurocranium morphogenesis | The process in which the anatomical structures of the neurocranium are generated and organized during the embryonic phase. The neurocranium is the portion of the vertebrate skull surrounding the brain. | 4 |
| GO:0060088 | auditory receptor cell stereocilium organization | A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of a stereocilium. A stereocilium is an actin-based protrusion from the apical surface of auditory hair cells. | 3 |
| GO:0021555 | midbrain-hindbrain boundary morphogenesis | The process in which the anatomical structure of the midbrain-hindbrain boundary is generated and organized. The midbrain-hindbrain domain of the embryonic brain is comprised of the mesencephalic vesicle and the first rhombencephalic vesicle at early somitogenesis stages. An organizing center at the boundary patterns the midbrain and hindbrain primordia of the neural plate. | 3 |
| GO:0048341 | paraxial mesoderm formation | The process that gives rise to the paraxial mesoderm. This process pertains to the initial formation of the structure from unspecified parts. | 3 |
| GO:0060971 | embryonic heart tube left/right pattern formation | The pattern specification process that results in the subdivision of the left/right axis of the embryonic heart tube in space to define an area or volume in which specific patterns of cell differentiation will take place. | 3 |
| GO:0043049 | otic placode formation | The initial developmental process that will lead to the formation of the vertebrate inner ear. The otic placode forms as a thickening of the head ectoderm adjacent to the developing hindbrain. | 3 |
| GO:0007355 | anterior region determination | Specification of the anterior (head and thoracic segments) of the embryo by the gap genes; exemplified in insects by the actions of hunchback gene product. | 3 |
| GO:0061353 | BMP signaling pathway involved in Malpighian tubule cell chemotaxis | A series of molecular signals initiated by the binding of a member of the BMP (bone morphogenetic protein) family to a receptor on the surface of a target cell, which contributes to the directed movement of a Malpighian tubule cell toward a stimulus, thereby contributing to the shaping of the tubule. | 3 |
| GO:0072498 | embryonic skeletal joint development | The process, occurring during the embryonic phase, whose specific outcome is the progression of the skeletal joints over time, from formation to mature structure. | 3 |
| GO:0007383 | specification of segmental identity, antennal segment | The specification of the characteristic structures of the antennal segment following establishment of segment boundaries. Identity is considered to be the aggregate of characteristics by which a structure is recognized. | 3 |
| GO:0001834 | trophectodermal cell proliferation | The proliferation of cells in the trophectoderm. | 3 |
| GO:0007352 | zygotic specification of dorsal/ventral axis | The specification of the dorsal/ventral axis of the embryo, through the products of genes expressed in the zygote. | 3 |
| GO:0003344 | pericardium morphogenesis | The process in which the anatomical structure of the pericardium is generated and organized. | 3 |
| GO:0035052 | dorsal vessel aortic cell fate commitment | The commitment of dorsal vessel cardioblast cells to an aortic cell fate and their capacity to differentiate into aortic cells. An example of this process is found in Drosophila melanogaster. | 3 |
| GO:0072086 | specification of loop of Henle identity | The process in which the loop of Henle of the kidney nephron acquires its identity. | 3 |
| GO:0060217 | hemangioblast cell differentiation | The process in which a relatively unspecialized cell acquires the characteristics of a mature hemangioblast. Hemangioblasts are the proposed common precursor of blood and endothelial lineages. | 3 |
| GO:0035291 | specification of segmental identity, intercalary segment | The specification of the characteristic structures of the intercalary segment of the anterior head, following establishment of segment boundaries. Identity is considered to be the aggregate of characteristics by which a structure is recognized. | 3 |
| GO:0033504 | floor plate development | The progression of the floor plate over time from its initial formation until its mature state. | 3 |
| GO:0060900 | embryonic camera-type eye formation | The developmental process pertaining to the initial formation of a camera-type eye from unspecified neurectoderm. This process begins with the differentiation of cells that form the optic field and ends when the optic cup has attained its shape. | 3 |
| GO:0060030 | dorsal convergence | The directed migration of individual cells and small groups of cells toward the dorsal midline during gastrulation. This process does not require cell rearrangement. | 3 |
| GO:0060319 | primitive erythrocyte differentiation | Erythrocyte differentiation which occurs as part of the process of primitive hemopoiesis. | 2 |
| GO:0046594 | maintenance of pole plasm mRNA location | The process of maintaining mRNA in a specific location in the oocyte pole plasm. An example of this process is found in Drosophila melanogaster. | 2 |
| GO:0007509 | mesoderm migration involved in gastrulation | The migration of mesodermal cells during gastrulation to help establish the multilayered body plan of the organism. | 2 |
| GO:0014028 | notochord formation | The formation of the notochord from the chordamesoderm. The notochord is composed of large cells packed within a firm connective tissue sheath and is found in all chordates at the ventral surface of the neural tube. In vertebrates, the notochord contributes to the vertebral column. | 2 |
| GO:0036023 | embryonic skeletal limb joint morphogenesis | The process, occurring in the embryo, in which the anatomical structures of a skeletal limb joint are generated and organized. A skeletal limb joint is the connecting structure between the bones of a limb. | 2 |
| GO:0072079 | nephron tubule formation | The developmental process pertaining to the initial formation of a nephron tubule from unspecified parts. A nephron tubule is an epithelial tube that is part of the nephron, the functional part of the kidney. | 2 |
| GO:0010004 | gastrulation involving germ band extension | A complex and coordinated series of cellular movements, including germ band extension, that occurs at the end of cleavage during embryonic development. An example of this process is found in Drosophila melanogaster. | 2 |
| GO:0060676 | ureteric bud formation | The developmental process pertaining to the initial formation of the ureteric bud from the Wolffian duct. This process begins when the bud protrudes from the duct and ends when it is a recognizable bud. | 2 |
| GO:0060707 | trophoblast giant cell differentiation | The process in which a relatively unspecialized cell acquires specialized features of a trophoblast giant cell of the placenta. Trophoblast giant cells are the cell of the placenta that line the maternal decidua. | 2 |
| GO:0046665 | amnioserosa maintenance | Maintenance of the amnioserosa, an epithelium that occupies a hole in the embryonic dorsal epidermis. | 2 |
| GO:0032525 | somite rostral/caudal axis specification | The establishment, maintenance and elaboration of the rostro-caudal axis of a somite, prior to the morphological formation of a somite boundary. | 2 |
| GO:0060706 | cell differentiation involved in embryonic placenta development | The process in which a relatively unspecialized cell acquires specialized features of the embryonic placenta. | 2 |
| GO:0001835 | blastocyst hatching | The hatching of the cellular blastocyst from the zona pellucida. | 2 |
| GO:0090009 | primitive streak formation | The developmental process pertaining to the initial formation of the primitive streak from unspecified parts. The primitive streak is a ridge of cells running along the midline of the embryo where the mesoderm ingresses. It defines the anterior-posterior axis. | 2 |
| GO:0048619 | embryonic hindgut morphogenesis | The process in which the anatomical structures of the hindgut are generated and organized, during the embryonic phase. | 2 |
| GO:0048825 | cotyledon development | The process whose specific outcome is the progression of the cotyledon over time, from its formation to the mature structure. The cotyledon is the modified leaf (seed leaf), found as part of the embryo in plant seeds. It is involved in either storage or absorption of food reserves. Dicotyledonous seeds contain two cotyledons, while monocotyledonous seeds contain only one. The cotyledons may appear above ground and show photosynthetic activity in the seedling. | 2 |
| GO:0036306 | embryonic heart tube elongation | The developmental growth that results in the increase in length of the embryonic heart tube. The embryonic heart tube is an epithelial tube that will give rise to the mature heart. | 2 |
| GO:0001704 | formation of primary germ layer | The formation of the ectoderm, mesoderm and endoderm during gastrulation. | 2 |
| GO:0061386 | closure of optic fissure | The closure of the temporary ventral gap in the optic cup that contributes to its shaping. | 2 |
| GO:0060803 | BMP signaling pathway involved in mesodermal cell fate specification | A series of molecular signals initiated by the binding of a member of the BMP (bone morphogenetic protein) family to a receptor on the surface of a target cell, which contributes to a cell becoming specified to adopt a mesodermal fate. | 2 |
| GO:0001712 | ectodermal cell fate commitment | The cell differentiation process that results in commitment of a cell to become part of the ectoderm. | 2 |
| GO:0022007 | convergent extension involved in neural plate elongation | The process of directed cell movement in the neural plate resulting in tissue elongation via intercalation of adjacent cells in an epithelial sheet at the midline, leading to narrowing and lengthening of the neural plate. | 2 |
| GO:0007384 | specification of segmental identity, thorax | The specification of the characteristic structures of the thoracic segments following establishment of segment boundaries. Identity is considered to be the aggregate of characteristics by which a structure is recognized. | 2 |
| GO:0021906 | hindbrain-spinal cord boundary formation | The process whose specific outcome is the formation of the hindbrain-spinal cord boundary. | 2 |
| GO:0001830 | trophectodermal cell fate commitment | The cell fate commitment of precursor cells that will become trophectoderm cells. | 2 |
| GO:0035186 | syncytial blastoderm mitotic cell cycle | Mitotic division cycles 10 to 13 of the insect embryo. This is the second phase of the syncytial period where nuclei divide in a common cytoplasm without cytokinesis. The majority of migrating nuclei reach the embryo surface during cycle 10, after which they divide less synchronously than before, and the syncytial blastoderm cycles lengthen progressively. | 2 |
| GO:0030719 | P granule organization | A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of polar granules, cytoplasmic, non-membranous RNA/protein complex aggregates in the primordial germ cells of many higher eukaryotes. | 2 |
| GO:0001832 | blastocyst growth | An increase in size of a blastocyst due to expansion of the blastocoelic cavity cell shape changes and cell proliferation. | 2 |
| GO:0035191 | nuclear axial expansion | The stepwise asymmetric spreading out of nuclei internally along the anterior-posterior axis of the developing insect embryo during mitotic cycles 4 to 6. This movement leads to the distribution of nuclei in a hollow ellipsoid underlying the cortex. | 2 |
| GO:0019094 | pole plasm mRNA localization | Any process in which mRNA is transported to, or maintained in, the oocyte pole plasm. An example of this is found in Drosophila melanogaster. | 2 |
| GO:0035880 | embryonic nail plate morphogenesis | The process, occurring in the embryo, by which the anatomical structures of a nail plate are generated and organized. The nail plate is the hard and translucent portion of the nail, composed of keratin, and serves to protect the tips of digits. | 1 |
| GO:0003404 | optic vesicle morphogenesis | The developmental process pertaining to the formation and shaping of the optic vesicle. This process begins with the specific processes that contribute to the appearance of the vesicle and ends when the vesicle has evaginated. The optic vesicle is the evagination of neurectoderm that precedes formation of the optic cup. | 1 |
| GO:0048371 | lateral mesodermal cell differentiation | The process in which a relatively unspecialized cell acquires the specialized features of a lateral mesoderm cell. | 1 |
| GO:0007365 | periodic partitioning | The regionalization process that divides the spatial regions of an embryo into serially repeated regions. | 1 |
| GO:0061332 | Malpighian tubule bud morphogenesis | The morphogenetic process in which a bud forms from the embryonic hindgut tube to form the Malpighian tubule. A bud is a protrusion that forms from the tube by localized changes in cell shape and position. | 1 |
| GO:0001711 | endodermal cell fate commitment | The cell differentiation process that results in commitment of a cell to become part of the endoderm. | 1 |
| GO:0035113 | embryonic appendage morphogenesis | The process, occurring in the embryo, by which the anatomical structures of the appendage are generated and organized. An appendage is an organ or part that is attached to the trunk of an organism, such as a limb or a branch. | 1 |
| GO:0046595 | establishment of pole plasm mRNA localization | Any process that results in the directed movement of mRNA to the oocyte pole plasm. | 1 |
| GO:0035054 | embryonic heart tube anterior/posterior pattern specification | The establishment, maintenance and elaboration of cell differentiation that results in the anterior/posterior subdivision of the embryonic heart tube. In Drosophila this results in subdivision of the dorsal vessel into to the posterior heart proper and the anterior aorta. | 1 |
| GO:0048343 | paraxial mesodermal cell fate commitment | The process in which a cell becomes committed to become a paraxial mesoderm cell. | 1 |
| GO:0060898 | eye field cell fate commitment involved in camera-type eye formation | The commitment of neurectodermal cells to cells of the eye field and their capacity to differentiate into eye field cells. Eye field cells are neurectodermal cells that will form the optic placode. | 1 |
| GO:0060031 | mediolateral intercalation | The interdigitation of cells along the mediolateral axis during gastrulation. | 1 |
| GO:0035165 | embryonic crystal cell differentiation | The process in which an embryonic mesoderm-derived hemocyte precursor cell acquires the specialized features of a crystal cell. Crystal cells are a class of cells that contain crystalline inclusions and are involved in the melanization of pathogenic material in the hemolymph. | 1 |
| GO:0060809 | mesodermal to mesenchymal transition involved in gastrulation | The epithelial to mesenchymal transition process in which a mesodermal cell loses apical/basolateral polarity, severs intercellular adhesive junctions, degrades basement membrane components and becomes a migratory mesenchymal cell as part of the process of gastrulation. | 1 |
| GO:0003409 | optic cup structural organization | The process that contributes to creating the structural organization of the optic cup. This process pertains to the physical shaping of the rudimentary structure. | 1 |
| GO:0060513 | prostatic bud formation | The morphogenetic process in which a region of the fetal urogenital sinus epithelium is specified to become the prostate, resulting in prostate bud outgrowth. | 1 |
| GO:0042471 | ear morphogenesis | The process in which the anatomical structures of the ear are generated and organized. The ear is the sense organ in vertebrates that is specialized for the detection of sound, and the maintenance of balance. Includes the outer ear and middle ear, which collect and transmit sound waves; and the inner ear, which contains the organs of balance and (except in fish) hearing. Also includes the pinna, the visible part of the outer ear, present in some mammals. | 1 |
| GO:0001828 | inner cell mass cellular morphogenesis | The morphogenesis of cells in the inner cell mass. | 1 |
| GO:0001842 | neural fold formation | The process in which the neural fold is formed. The edges of the neural plate thicken and move up to form a U-shaped structure called the neural groove. | 1 |
| GO:0048613 | embryonic ectodermal digestive tract morphogenesis | The process, occurring during the embryonic phase, by which the anatomical structures of the ectodermal digestive tract are generated and organized. | 1 |
| GO:0021508 | floor plate formation | The formation of a ventral region of glial cells in the neural tube that provides inductive signals for the specification of neuronal cell types. The floor plate is evident at the ventral midline by the neural fold stage. | 1 |
| GO:0035124 | embryonic caudal fin morphogenesis | The process, occurring in the embryo, by which the anatomical structures of the caudal fin are generated and organized. The caudal fin is an unpaired medial fin mounted at the caudal end of the fish and is the main fin used for propulsion. | 1 |
| GO:0035164 | embryonic plasmatocyte differentiation | The process in which an embryonic mesoderm-derived hemocyte precursor cell acquires the specialized features of the phagocytic blood-cell type, the plasmatocyte. | 1 |
| GO:0021506 | anterior neuropore closure | The joining together of the neural folds of the rostral opening of the neural tube. The anterior neuropore appears before the process of neural tube closure is complete. | 1 |
| GO:0039005 | specification of pronephric tubule identity | The process in which the tubules arranged along the proximal/distal axis of the pronephric nephron acquire their identity. | 1 |
| GO:0061056 | sclerotome development | The progression of the sclerotome over time, from its initial formation to the mature structure. The sclerotome is the portion of the somite that will give rise to a vertebra. | 1 |
| GO:0007385 | specification of segmental identity, abdomen | The specification of the characteristic structures of the abdominal segments following establishment of segment boundaries. Identity is considered to be the aggregate of characteristics by which a structure is recognized. | 1 |
| GO:0035185 | preblastoderm mitotic cell cycle | The first nine mitotic division cycles of the insect embryo, during which the dividing nuclei lie deep in the interior of the egg and divide nearly synchronously. This is the first phase of the syncytial period where nuclei divide in a common cytoplasm without cytokinesis. | 1 |
| GO:0003384 | apical constriction involved in gastrulation | The actin-mediated process that results in the contraction of the apical end of a polarized columnar epithelial cell, contributing to the process of gastrulation. | 1 |
| GO:0045450 | bicoid mRNA localization | Any process in which bicoid mRNA is transported to and maintained within the oocyte as part of the specification of the anterior/posterior axis. | 1 |
| GO:0060876 | semicircular canal formation | The developmental process pertaining to the initial formation of the semicircular canal from the otic vesicle. This process begins with the regionalization of the vesicle that specifies the area where the vesicles will form and continues through the process of fusion which forms the initial tubes. | 1 |
| GO:0021532 | neural tube patterning | The regionalization process that regulates the coordinated growth that establishes the non-random spatial arrangement of the neural tube. | 1 |
| GO:0001833 | inner cell mass cell proliferation | The proliferation of cells in the inner cell mass. | 1 |
| GO:0035163 | embryonic hemocyte differentiation | The process in which a relatively unspecialized cell derived from the embryonic head mesoderm acquires the specialized features of a mature hemocyte. Hemocytes are blood cells associated with a hemocoel (the cavity containing most of the major organs of the arthropod body) which are involved in defense and clotting of hemolymph, but not involved in transport of oxygen. | 1 |
| GO:0001826 | inner cell mass cell differentiation | The process in which a relatively unspecialized cell acquires specialized features of an inner cell mass cell. | 1 |
| GO:0048333 | mesodermal cell differentiation | The process in which a relatively unspecialized cell acquires the specialized features of a mesoderm cell. | 1 |
| GO:0060831 | smoothened signaling pathway involved in dorsal/ventral neural tube patterning | The series of molecular signals generated as a consequence of activation of the transmembrane protein Smoothened contributing to the dorsal/ventral pattern of the neural tube. | 1 |
| GO:0060807 | regulation of transcription from RNA polymerase II promoter involved in definitive endodermal cell fate specification | Any process that modulates the frequency, rate or extent of transcription from an RNA polymerase II promoter that ultimately results in a cell being specified to adopt a definitive endodermal cell fate. | 1 |
| GO:0001839 | neural plate morphogenesis | The process in which the anatomical structures of the neural plate are generated and organized. The neural plate is a specialized region of columnar epithelial cells in the dorsal ectoderm that will give rise to nervous system tissue. | 1 |
| GO:0007315 | pole plasm assembly | Establishment of the specialized cytoplasm found at the poles of the egg. An example of this is found in Drosophila melanogaster. | 1 |
| GO:0048370 | lateral mesoderm formation | The process that gives rise to the lateral mesoderm. This process pertains to the initial formation of the structure from unspecified parts. | 1 |