Go terms map to parent GO term: GO:0048646   anatomical structure formation involved in morphogenesis
GOID
Link to GO
 Functional Category Description Protein Count
link to
protein list
GO:0001525 angiogenesis Blood vessel formation when new vessels emerge from the proliferation of pre-existing blood vessels. 87
GO:0045214 sarcomere organization The myofibril assembly process that results in the organization of muscle actomyosin into sarcomeres. The sarcomere is the repeating unit of a myofibril in a muscle cell, composed of an array of overlapping thick and thin filaments between two adjacent Z discs. 48
GO:0071688 striated muscle myosin thick filament assembly The aggregation, arrangement and bonding together of proteins to form the myosin-based thick filaments of myofibrils in striated muscle. 40
GO:0007520 myoblast fusion A process in which non-proliferating myoblasts fuse to existing fibers or to myotubes to form new fibers. A myoblast is a mononucleate cell type that, by fusion with other myoblasts, gives rise to the myotubes that eventually develop into skeletal muscle fibers. 34
GO:0007291 sperm individualization The resolution of the male germline syncytium or cyst into individual gametes by packaging each spermatid into its own plasma membrane. 31
GO:0042384 cilium assembly The assembly of a cilium, a specialized eukaryotic organelle that consists of a filiform extrusion of the cell surface. Each cilium is bounded by an extrusion of the cytoplasmic membrane, and contains a regular longitudinal array of microtubules, anchored basally in a centriole. 30
GO:0030241 skeletal muscle myosin thick filament assembly The aggregation, arrangement and bonding together of proteins to form the myosin-based thick filaments of myofibrils in skeletal muscle. 30
GO:0001756 somitogenesis The formation of mesodermal clusters that are arranged segmentally along the anterior posterior axis of an embryo. 29
GO:0030437 ascospore formation The process in which cells that are products of meiosis acquire the specialized features of ascospores. Ascospores are generally found in clusters of four or eight spores within a single mother cell, the ascus, and are characteristic of the ascomycete fungi (phylum Ascomycota). 28
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:0030239 myofibril assembly Formation of myofibrils, the repeating units of striated muscle. 26
GO:0055003 cardiac myofibril assembly The process whose specific outcome is the progression of the cardiac myofibril over time, from its formation to the mature structure. A cardiac myofibril is a myofibril specific to cardiac muscle cells. 22
GO:0001569 patterning of blood vessels The process that regulates the coordinated growth and sprouting of blood vessels giving rise to the organized vascular system. 22
GO:0046843 dorsal appendage formation Establishment of the dorsal filaments, elaborate specializations of the chorion that protrude from the anterior end of the egg and facilitate embryonic respiration. 22
GO:0030240 skeletal muscle thin filament assembly The aggregation, arrangement and bonding together of proteins to form the actin-based thin filaments of myofibrils in skeletal muscle. 22
GO:0001570 vasculogenesis The differentiation of endothelial cells from progenitor cells during blood vessel development, and the de novo formation of blood vessels and tubes. 21
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: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:0048315 conidium formation Formation of asexual, nonmotile spores in fungi, by conversion of hyphal elements or arising from specialized sporogenous cells. 18
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:0007349 cellularization The separation of a multi-nucleate cell or syncytium into individual cells. An example of this is found in Drosophila melanogaster embryo development. 14
GO:0010842 retina layer formation The process in which the vertebrate retina is organized into three laminae: the outer nuclear layer (ONL), which contains photoreceptor nuclei; the inner nuclear layer (INL), which contains amacrine, bipolar and horizontal cells; and the retinal ganglion cell (RGC) layer. Between the inner and outer nuclear layers, the outer plexiform layer (OPL) contains connections between the photoreceptors and bipolar and horizontal cells. The inner plexiform layer (IPL) is positioned between the INL and the ganglion cell layer and contains the dendrites of RGCs and processes of bipolar and amacrine cells. Spanning all layers of the retina are the radially oriented Mueller glia. 14
GO:0007301 female germline ring canal formation Assembly of the intercellular bridges that connect the germ-line cells of a female cyst. 13
GO:0048769 sarcomerogenesis The process in which sarcomeres are added in series within a fiber. 12
GO:0043935 sexual sporulation resulting in formation of a cellular spore The formation of spores derived from the products of meiosis. A cellular spore is a cell form that can be used for dissemination, for survival of adverse conditions because of its heat and dessication resistance, and/or for reproduction. 12
GO:0021634 optic nerve formation The process that gives rise to the optic nerve. This process pertains to the initial formation of a structure from unspecified parts. The sensory optic nerve originates from the bipolar cells of the retina and conducts visual information to the brainstem. The optic nerve exits the back of the eye in the orbit, enters the optic canal, and enters the central nervous system at the optic chiasm (crossing) where the nerve fibers become the optic tract just prior to entering the hindbrain. 12
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:0002040 sprouting angiogenesis The extension of new blood vessels from existing capillaries into avascular tissues resulting from the proliferation of blood vessel endothelial cells. 11
GO:0016360 sensory organ precursor cell fate determination The process in which a cell becomes capable of differentiating autonomously into a sensory organ precursor cell regardless of its environment; upon determination, the cell fate cannot be reversed. 11
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: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:0035148 tube formation Creation of the central hole of a tube in an anatomical structure through which gases and/or liquids flow. 10
GO:0007293 germarium-derived egg chamber formation Construction of a stage-1 egg chamber in the anterior part of the germarium, from the progeny of germ-line and somatic stem cells. An example of this is found in Drosophila melanogaster. 10
GO:0036011 imaginal disc-derived leg segmentation Division of an imaginal disc-derived leg into a series of semi-repetitive parts or segments. The Drosophila leg, for example, has nine segments, each separated from the next by a flexible joint. 10
GO:0072179 nephric duct formation The developmental process pertaining to the initial formation of a nephric duct. A nephric duct is a tube that drains a primitive kidney. 10
GO:0003272 endocardial cushion formation The developmental process pertaining to the initial formation of an endocardial cushion. The endocardial cushion is a specialized region of mesenchymal cells that will give rise to the heart septa and valves. 9
GO:0060789 hair follicle placode formation The developmental process in which a hair placode forms. An hair follicle placode is a thickening of the ectoderm that will give rise to the hair follicle bud. 9
GO:0060174 limb bud formation The process pertaining to the initial formation of a limb bud from unspecified parts. This process begins with the formation of a local condensation of mesenchyme cells within the prospective limb field, and ends when a limb bud is recognizable. 9
GO:0030727 germarium-derived female germ-line cyst formation Formation, in a germarium, of a group of interconnected cells derived from a single female gonial founder cell (a cystoblast). The germarium is the most anterior portion of an insect ovariole. An example of this process is found in Drosophila melanogaster. 9
GO:0030435 sporulation resulting in formation of a cellular spore The process in which a relatively unspecialized cell acquires the specialized features of a cellular spore, a cell form that can be used for dissemination, for survival of adverse conditions because of its heat and dessication resistance, and/or for reproduction. 8
GO:0021819 layer formation in cerebral cortex The detachment of cells from radial glial fibers at the appropriate time when they cease to migrate and form distinct layer in the cerebral cortex. 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:0030476 ascospore wall assembly The aggregation, arrangement and bonding together of a set of components to form an ascospore wall. During sporulation in Ascomycota, each ascospore nucleus becomes surrounded by a specialized spore wall, formed by deposition of spore wall components in the lumenal space between the outer and inner leaflets of the prospore membrane. An example of this process is found in Saccharomyces cerevisiae. 8
GO:0060914 heart formation The developmental process pertaining to the initial formation of the heart from unspecified parts. This process begins with the specific processes that contribute to the appearance of the heart field and the arrival of cardiac neural crest to the heart region. The process ends when the structural rudiment is recognizable. 8
GO:0060061 Spemann organizer formation Formation of the specialized region on the dorsalmost side of the embryo that acts as the main signaling center establishing the vertebrate body plan. 8
GO:0001706 endoderm formation The formation of the endoderm during gastrulation. 7
GO:0060594 mammary gland specification The regionalization process in which the mammary line is specified. The mammary line is a ridge of epidermal cells that will form the mammary placodes. 7
GO:0030720 oocyte localization involved in germarium-derived egg chamber formation Directed movement of the oocyte, following its specification, from its original central position in the cyst to a posterior position relative to the nurse cells of the egg chamber, and its maintenance in this posterior location. This is the first sign of anterior-posterior asymmetry in the developing egg chamber. 7
GO:0007294 germarium-derived oocyte fate determination The cell fate determination process in which a germarium-derived cell becomes capable of differentiating autonomously into an oocyte cell regardless of its environment; upon determination, the cell fate cannot be reversed. An example of this is found in Drosophila melanogaster. 7
GO:0039003 pronephric field specification The process in which regions of the embryo are delineated into the area in which the pronephric kidney will develop. 7
GO:0030723 ovarian fusome organization A process that is carried out at the cellular level which results in the assembly, arrangement of constituent parts, or disassembly of the fusome of ovarian cells, an organelle derived from the spectrosome. It anchors the mitotic spindle pole to provide orientation during cystoblast cell divisions. 7
GO:0030381 chorion-containing eggshell pattern formation The regionalization process that gives rise to the structural pattern of a chorion-containing eggshell such as those found in insects. 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:0060661 submandibular salivary gland formation The developmental process pertaining to the initial formation of a submandibular salivary gland. This process begins with a thickening of the epithelium next to the tongue and ends when a bud linked to the oral surface is formed. 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:0031321 ascospore-type prospore assembly During ascospore formation, the process in which each haploid nucleus becomes encapsulated by a double membrane. 6
GO:0001838 embryonic epithelial tube formation The morphogenesis of an embryonic epithelium into a tube-shaped structure. 6
GO:0007279 pole cell formation Formation of a small group of cells (pole cells) at the posterior pole of the insect blastula. They are the first cells to cellularize after the arrival of nuclei at the end of the syncytial blastula stage and are the precursors to the insect germ cells. 6
GO:0021707 cerebellar granule cell differentiation The process in which neuroblasts acquire specialized structural and/or functional features that characterize the mature cerebellar granule cell. Differentiation includes the processes involved in commitment of a neuroblast to a granule cell fate. A granule cell is a glutamatergic interneuron found in the cerebellar cortex. 6
GO:0007307 eggshell chorion gene amplification Amplification by up to 60-fold of the loci containing the chorion gene clusters. Amplification is necessary for the rapid synthesis of chorion proteins by the follicle cells, and occurs by repeated firing of one or more origins located within each gene cluster. 5
GO:0035149 lumen formation, open tracheal system Creation of the central hole of a tube in an open tracheal system through which gases flow. 5
GO:0001829 trophectodermal cell differentiation The process in which a relatively unspecialized cell acquires the specialized features of a trophectoderm cell. 5
GO:0003211 cardiac ventricle formation The developmental process pertaining to the initial formation of a cardiac ventricle from unspecified parts. A cardiac ventricle receives blood from a cardiac atrium and pumps it out of the heart. 5
GO:0008302 female germline ring canal formation, actin assembly Recruitment and organization of actin filaments in female germline ring canals. 5
GO:0021650 vestibulocochlear nerve formation The process that gives rise to the vestibulocochlear nerve. This process pertains to the initial formation of a structure from unspecified parts. This sensory nerve innervates the membranous labyrinth of the inner ear. The vestibular branch innervates the vestibular apparatus that senses head position changes relative to gravity. The auditory branch innervates the cochlear duct, which is connected to the three bony ossicles which transduce sound waves into fluid movement in the cochlea. 5
GO:0030220 platelet formation The process in which platelets bud from long processes extended by megakaryocytes. 5
GO:0014866 skeletal myofibril assembly The process whose specific outcome is the progression of the skeletal myofibril over time, from its formation to the mature structure. A skeletal myofibril is a myofibril specific to skeletal muscle cells. 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:0010092 specification of organ identity The regionalization process in which the identity of an organ primordium is specified. Identity is considered to be the aggregate of characteristics by which a structure is recognized. 5
GO:0060347 heart trabecula formation The process of creating a trabecula in the heart. A trabecula is a tissue element in the form of a small beam, strut or rod. 5
GO:0021702 cerebellar Purkinje cell differentiation The process in which neuroblasts acquire specialized structural and/or functional features that characterize the mature cerebellar Purkinje cell. Differentiation includes the processes involved in commitment of a neuroblast to a Purkinje cell fate. A Purkinje cell is an inhibitory GABAergic neuron found in the cerebellar cortex that projects to the deep cerebellar nuclei and brain stem. 4
GO:0030708 germarium-derived female germ-line cyst encapsulation Formation of a single follicular epithelium around the germ-line derived cells of a cyst formed in the germarium. An example of this process is found in Drosophila melanogaster. 4
GO:0016348 imaginal disc-derived leg joint morphogenesis The process in which the anatomical structures of an imaginal disc-derived leg joint are generated and organized. The leg joint is a flexible region that separates the rigid sections of a leg to allow movement in a controlled manner. An example of this is found in Drosophila melanogaster. 4
GO:0001831 trophectodermal cellular morphogenesis The morphogenesis of trophectoderm cells. 4
GO:0061198 fungiform papilla formation The developmental process pertaining to the initial formation of a spongiform papilla from unspecified parts. The fungiform papilla is a mushroom-shaped papilla of the tongue. 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:0022009 central nervous system vasculogenesis The differentiation of endothelial cells from progenitor cells during blood vessel development, and the de novo formation of blood vessels and tubes in the central nervous system. The capillary endothelial cells in the brain are specialized to form the blood-brain barrier. 4
GO:0046844 micropyle formation Establishment of the micropyle, a single cone-shaped specialization of the chorion that allows sperm entry into the egg prior to fertilization. 4
GO:0010311 lateral root formation The process that gives rise to a lateral root. This process pertains to the initial formation of a structure from unspecified parts. A lateral root primordium represents an organized group of cells derived from the root pericycle that will differentiate into a new root, as opposed to the initiation of the main root from the embryo proper. 4
GO:0031322 ascospore-type prospore-specific spindle pole body remodeling A spindle pole body (SPB) organization process that takes place during the second meiotic division during ascospore formation and results in the structural reorganization of the SPB; includes the recruitment of sporulation-specific proteins to the outer plaque to form the meiotic outer plaque (MOP). 4
GO:0002042 cell migration involved in sprouting angiogenesis The orderly movement of endothelial cells into the extracellular matrix in order to form new blood vessels involved in sprouting angiogenesis. 4
GO:0045317 equator specification The formation and development of the equator that forms the boundary between the photoreceptors in the dorsal sector of the eye and those in the ventral sector, dividing the eye into dorsal and ventral halves. 4
GO:0060788 ectodermal placode formation The developmental process in which an ectodermal placode forms. An ectodermal placode is a thickening of the ectoderm that is the primordium of many structures derived from the ectoderm. 4
GO:0021588 cerebellum formation The process that gives rise to the cerebellum. This process pertains to the initial formation of a structure from unspecified parts. The cerebellum is the portion of the brain in the back of the head between the cerebrum and the pons. The cerebellum controls balance for walking and standing, modulates the force and range of movement and is involved in the learning of motor skills. 4
GO:0060975 cardioblast migration to the midline involved in heart field formation The orderly movement of a cardioblast toward the midline to form the heart field. A cardioblast is a cardiac precursor cell. It is a cell that has been committed to a cardiac fate, but will undergo more cell division rather than terminally differentiating. 4
GO:0001757 somite specification The process in which individual somites establish identity during embryogenesis. 4
GO:0007304 chorion-containing eggshell formation The construction of a chorion-containing eggshell. An example of this is found in Drosophila melanogaster. 3
GO:0003198 epithelial to mesenchymal transition involved in endocardial cushion formation A transition where a cardiac epithelial cell loses apical/basolateral polarity, severs intercellular adhesive junctions, degrades basement membrane components and becomes a migratory mesenchymal cell that will contribute to the formation of the endocardial cushion. 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: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:0048142 germarium-derived cystoblast division The four rounds of incomplete mitosis undergone by a cystoblast to form a 16-cell cyst of interconnected cells within a germarium. Within the cyst, one cell differentiates into an oocyte while the rest become nurse cells. An example of this process is found in Drosophila melanogaster. 3
GO:0060662 salivary gland cavitation The process in which the solid core of salivary epithelium gives rise to the hollow tube of the gland. 3
GO:0044458 motile cilium assembly The assembly of a motile cilium, a cilium that contains a regular longitudinal array of axonemal microtubules. In vertebrates, motile cilia are usually formed around a 9 + 2 microtubule core structure. Motile cilia are often found in tissues where propagation of fluid is necessary for proper organ development or function. 3
GO:0032120 ascospore-type prospore membrane assembly The process in which the nascent membrane forms at the meiotic outer plaque and grows until closure occurs and forespores, or prospores, are formed. 3
GO:0021623 oculomotor nerve formation The process that gives rise to the oculomotor nerve. This process pertains to the initial formation of a structure from unspecified parts. This motor nerve innervates all extraocular muscles except the superior oblique and the lateral rectus muscles. The superior division supplies the levator palpebrae superioris and superior rectus muscles. The inferior division supplies the medial rectus, inferior rectus and inferior oblique muscles. This nerve also innervates the striated muscles of the eyelid. Pupillary constriction and lens movement are mediated by this nerve for near vision. In the orbit the inferior division sends branches that enter the ciliary ganglion where they form functional contacts (synapses) with the ganglion cells. The ganglion cells send nerve fibers into the back of the eye where they travel to ultimately innervate the ciliary muscle and the constrictor pupillae muscle. 3
GO:0043936 asexual sporulation resulting in formation of a cellular spore The formation of a cellular spore derived from the products of mitosis. A cellular spore is a cell form that can be used for dissemination, for survival of adverse conditions because of its heat and dessication resistance, and/or for reproduction. 3
GO:0007288 sperm axoneme assembly The assembly and organization of the sperm flagellar axoneme, the bundle of microtubules and associated proteins that forms the core of the eukaryotic sperm flagellum, and is responsible for movement. 3
GO:0048645 organ formation The process pertaining to the initial formation of an organ from unspecified parts. The process begins with the specific processes that contribute to the appearance of the discrete structure, such as inductive events, and ends when the structural rudiment of the organ is recognizable, such as a condensation of mesenchymal cells into the organ rudiment. Organs are a natural part or structure in an animal or a plant, capable of performing some special action (termed its function), which is essential to the life or well-being of the whole. The heart and lungs are organs of animals, and the petal and leaf are organs of plants. In animals the organs are generally made up of several tissues, one of which usually predominates, and determines the principal function of the organ. 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:0030703 eggshell formation Construction of the eggshell, a product of the somatic follicle cell epithelium and a structure that supports the egg in a hostile environment, minimizing water loss whilst allowing gas exchanges essential for embryonic respiration. 3
GO:0072554 blood vessel lumenization The process in which a developing blood vessel forms an endothelial lumen through which blood will flow. 3
GO:0060288 formation of a compartment boundary Formation of a lineage restriction boundary within a developing tissue which does not correspond to some morphological barrier. 3
GO:0021697 cerebellar cortex formation The process that gives rise to the cerebellar cortex. This process pertains to the initial formation of a structure from unspecified parts. The cerebellar cortex is a thin mantle of gray matter that covers the surface of each cerebral hemisphere. It has a characteristic morphology with convolutions (gyri) and crevices (sulci) that have specific functions. Six layers of nerve cells and the nerve pathways that connect them comprise the cerebellar cortex. Together, these regions are responsible for the processes of conscious thought, perception, emotion and memory as well as advanced motor function. 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:0001675 acrosome assembly The formation of the acrosome from the spermatid Golgi. 3
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:0060214 endocardium formation Formation of the endocardium of the heart. The endocardium is an anatomical structure comprised of an endothelium and an extracellular matrix that forms the innermost layer of tissue of the heart, and lines the heart chambers. 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: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:0060979 vasculogenesis involved in coronary vascular morphogenesis The differentiation of endothelial cells from progenitor cells that contributes to blood vessel development in the heart, and the de novo formation of blood vessels and tubes. 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:0010093 specification of floral organ identity The process in which the identity of a floral organ primordium is specified. Identity is considered to be the aggregate of characteristics by which a structure is recognized. 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:0003193 pulmonary valve formation The developmental process pertaining to the initial formation of the pulmonary valve from unspecified parts. This process begins with the specific processes that contribute to the appearance of the discrete structure and ends when the structural rudiment is recognizable. 2
GO:0010927 cellular component assembly involved in morphogenesis The cellular component assembly that is part of the initial shaping of the component during its developmental progression. 2
GO:0003207 cardiac chamber formation The developmental process pertaining to the initial formation of a cardiac chamber from unspecified parts. A cardiac chamber is an enclosed cavity within the heart. 2
GO:0021556 central nervous system formation The process that gives rise to the central nervous system. This process pertains to the initial formation of a structure from unspecified parts. The central nervous system is the core nervous system that serves an integrating and coordinating function. In vertebrates it consists of the brain, spinal cord and spinal nerves. In those invertebrates with a central nervous system it typically consists of a brain, cerebral ganglia and a nerve cord. 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:0061131 pancreas field specification The process in which a specific region of the gut is delineated into the area in which the pancreas will develop. 2
GO:0055005 ventricular cardiac myofibril development The process whose specific outcome is the progression of the ventricular cardiac myofibril over time, from its formation to the mature structure. A cardiac myofibril is a myofibril specific to cardiac muscle cells. 2
GO:0021576 hindbrain formation The process that gives rise to the hindbrain. This process pertains to the initial formation of a structure from unspecified parts. The hindbrain is the region consisting of the medulla, pons and cerebellum. Areas of the hindbrain control motor and autonomic functions. 2
GO:0001704 formation of primary germ layer The formation of the ectoderm, mesoderm and endoderm during gastrulation. 2
GO:0009558 embryo sac cellularization The process in which the eight-nucleate single celled female gametophyte develops into the seven-celled female gametophyte. This mature structure contains two synergid cells and an egg cell at the micropylar end, and three antipodal cells at the other end. A binucleate endosperm mother cell is formed at the center. An example of this process is found in Arabidopsis thaliana. 2
GO:0007306 eggshell chorion assembly Construction of the chorion portion of the eggshell, which comprises the channels for gas exchange in an insect eggshell. 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:0048859 formation of anatomical boundary The process in which the limits of an anatomical structure are generated. An anatomical structure is any biological entity that occupies space and is distinguished from its surroundings. Anatomical structures can be macroscopic such as a carpel, or microscopic such as an acrosome. 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:0021642 trochlear nerve formation The process that gives rise to the trochlear nerve. This process pertains to the initial formation of a structure from unspecified parts. The trochlear nerve is a motor nerve and is the only cranial nerve to exit the brain dorsally. The trochlear nerve innervates the superior oblique muscle. 2
GO:0003219 cardiac right ventricle formation The developmental process pertaining to the initial formation of a right cardiac ventricle from unspecified parts. 2
GO:0075015 formation of infection structure on or near host The process in which a symbiont structure that serves to infect the host is formed on or near its host organism. It includes physiological, developmental, and morphological changes of the symbiont. The host is defined as the larger of the organisms involved in a symbiotic interaction. 2
GO:0030913 paranodal junction assembly Formation of the junction between an axon and the glial cell that forms the myelin sheath. Paranodal junctions form at each paranode, i.e. at the ends of the unmyelinated nodes of Ranvier. 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: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:0072175 epithelial tube formation The developmental process pertaining to the initial formation of an epithelial tube. 1
GO:0048455 stamen formation The process that contributes to the act of giving rise to the stamen. This process pertains to the initial formation of a structure from unspecified parts. 1
GO:0035231 cytoneme assembly Formation of a cytoneme, a long, thin and polarized actin-based cytoplasmic extension that projects from a cell. 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:0035058 nonmotile primary cilium assembly The assembly of a primary cilium which contains a variable array of axonemal microtubules but does not contain molecular motors. Nonmotile primary cilia are found on many different cell types and function as sensory organelles that concentrate and organize sensory signaling molecules. 1
GO:0003192 mitral valve formation The developmental process pertaining to the initial formation of the mitral valve from unspecified parts. This process begins with the specific processes that contribute to the appearance of the discrete structure and ends when the structural rudiment is recognizable. 1
GO:0060978 angiogenesis involved in coronary vascular morphogenesis Blood vessel formation in the heart when new vessels emerge from the proliferation of pre-existing blood vessels. 1
GO:0003188 heart valve formation The developmental process pertaining to the initial formation of a heart valve from unspecified parts. This process begins with the specific processes that contribute to the appearance of the discrete structure and ends when the structural rudiment is recognizable. 1
GO:0060055 angiogenesis involved in wound healing Blood vessel formation when new vessels emerge from the proliferation of pre-existing blood vessels and contribute to the series of events that restore integrity to a damaged tissue, following an injury. 1
GO:0048343 paraxial mesodermal cell fate commitment The process in which a cell becomes committed to become a paraxial mesoderm cell. 1
GO:0060464 lung lobe formation The developmental process pertaining to the initial formation of a lung lobe from unspecified parts. This process begins with the specific processes that contribute to the appearance of the lobe and ends when the structural rudiment is recognizable. A lung lobe is a projection that extends from the lung. 1
GO:0021654 rhombomere boundary formation The process that gives rise to a rhombomere boundary. This process pertains to the initial formation of a boundary delimiting a rhombomere. Rhombomeres are transverse segments of the developing rhombencephalon that are lineage restricted, express different genes from one another, and adopt different developmental fates. Rhombomeres are numbered in anterior to posterior order. 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:0060343 trabecula formation The process of creating a trabecula in an organ. A trabecula is a small, often microscopic, tissue element in the form of a small beam, strut or rod, which generally has a mechanical function. Trabecula are usually but not necessarily, composed of dense collagenous tissue. 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:0032288 myelin assembly The process in which the wraps of cell membrane that constitute myelin are laid down around an axon in the central or peripheral nervous system. 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: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:0007432 salivary gland boundary specification Determination of where the salivary gland forms, the total number of salivary gland cells and how many cells are allocated to each of the specialised cell types within the salivary gland. 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:0021501 prechordal plate formation The formation of the prechordal plate. The prechordal plate is a thickening of the endoderm at the cranial end of the primitive streak formed by the involution of Spemann's organizer cells. The prechordal plate and the notochord induce the formation of the neural plate from the overlying ectodermal cells. 1
GO:0035083 cilium axoneme assembly The assembly of a the bundle of microtubules and associated proteins that forms the core of cilia in eukaryotic cells and is responsible for their movements. 1
GO:0021599 abducens nerve formation The process that gives rise to the abducens nerve. This process pertains to the initial formation of a structure from unspecified parts. The motor function of the abducens nerve is to contract the lateral rectus which results in abduction of the eye. 1
GO:0072005 maintenance of kidney identity The process in which the identity of a kidney is maintained. Identity is considered to be the aggregate of characteristics by which a structure is recognized. 1
GO:0060062 Spemann organizer formation at the dorsal lip of the blastopore Formation of the specialized region at the dorsal lip of the blatopore of the embryo that acts as the main signaling center establishing the vertebrate body plan. 1
GO:0000769 syncytium formation by mitosis without cytokinesis The formation of a syncytium, a mass of cytoplasm containing several nuclei enclosed within a single plasma membrane, by one or more rounds of nuclear division without cytokinesis. 1
GO:0072267 metanephric capsule specification The regionalization process in which the identity of the metanephric capsule is specified. Identity is considered to be the aggregate of characteristics by which a structure is recognized. 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:0048449 floral organ formation The process that gives rise to floral organs. This process pertains to the initial formation of a structure from unspecified parts. 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:0060440 trachea formation The process pertaining to the initial formation of a trachea from unspecified parts. The process begins with the specific processes that contribute to the appearance of the discrete structure and ends when the trachea is recognizable. The trachea is the portion of the airway that attaches to the bronchi as it branches. 1
GO:0003190 atrioventricular valve formation The developmental process pertaining to the initial formation of the atrioventricular valve from unspecified parts. This process begins with the specific processes that contribute to the appearance of the discrete structure and ends when the structural rudiment is recognizable. 1
GO:0060596 mammary placode formation The developmental process in which the mammary placode forms. The mammary placode is a transient lens shaped structure that will give rise to the mammary bud proper. 1
GO:0060346 bone trabecula formation The process of creating a trabecula in the bone. A trabecula is a tissue element in the form of a small beam, strut or rod. 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:0001410 chlamydospore formation The process whose specific outcome is the progression of the chlamydospore over time, from its formation to the mature structure. A chlamydospores is a mitotic (asexual) one-celled spore, produced primarily for survival, not dispersal, originating endogenously and singly within part of a pre-existing cell and possessing an inner secondary and often thickened cell wall. An example of this is found in Candida albicans. 1
GO:0090506 axillary shoot meristem initiation A developmental process that results in the initiation of an axillary shoot meristem. An axillary shoot meristem is a shoot meristem formed in the axil of a leaf. 1
GO:0010338 leaf formation The process that gives rise to a leaf. This process pertains to the initial formation of a structure from unspecified parts. 1
GO:0061195 taste bud formation The developmental process pertaining to the initial formation of the taste bud from unspecified parts. The taste bud is a specialized area of the tongue that contains taste receptors. 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: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:0003195 tricuspid valve formation The developmental process pertaining to the initial formation of the tricuspid valve from unspecified parts. This process begins with the specific processes that contribute to the appearance of the discrete structure and ends when the structural rudiment is recognizable. 1
GO:0061042 vascular wound healing Blood vessel formation when new vessels emerge from the proliferation of pre-existing blood vessels and contribute to the series of events that restore integrity to damaged vasculature. 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
GO:0002043 blood vessel endothelial cell proliferation involved in sprouting angiogenesis The multiplication or reproduction of blood vessel endothelial cells, resulting in the expansion of a cell population contributing to sprouting angiogenesis. 1
GO:0072033 renal vesicle formation The developmental process pertaining to the initial formation of the renal vesicle from condensed mesenchymal cells. The renal vesicle is the primordial structure of the nephron epithelium, and is formed by the condensation of mesenchymal cells. 1