| GOID Link to GO |
Functional Category | Description | Protein Count link to protein list |
|---|---|---|---|
| GO:0007411 | axon guidance | The chemotaxis process that directs the migration of an axon growth cone to a specific target site in response to a combination of attractive and repulsive cues. | 214 |
| GO:0048813 | dendrite morphogenesis | The process in which the anatomical structures of a dendrite are generated and organized. A dendrite is a freely branching protoplasmic process of a nerve cell. | 92 |
| GO:0007409 | axonogenesis | Generation of a long process of a neuron, that carries efferent (outgoing) action potentials from the cell body towards target cells. | 67 |
| GO:0048812 | neuron projection morphogenesis | The process in which the anatomical structures of a neuron projection are generated and organized. A neuron projection is any process extending from a neural cell, such as axons or dendrites. | 57 |
| GO:0000904 | cell morphogenesis involved in differentiation | The change in form (cell shape and size) that occurs when relatively unspecialized cells, e.g. embryonic or regenerative cells, acquire specialized structural and/or functional features that characterize the cells, tissues, or organs of the mature organism or some other relatively stable phase of the organism's life history. | 42 |
| GO:0008045 | motor neuron axon guidance | The process in which the migration of an axon growth cone of a motor neuron is directed to a specific target site in response to a combination of attractive and repulsive cues. | 38 |
| GO:0007413 | axonal fasciculation | The collection of axons into a bundle of rods, known as a fascicle. | 38 |
| GO:0048675 | axon extension | Long distance growth of a single axon process involved in cellular development. | 32 |
| 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:0048846 | axon extension involved in axon guidance | The long distance growth of a single cell process, that is involved in the migration of an axon growth cone, where the migration is directed to a specific target site by a combination of attractive and repulsive cues. | 29 |
| GO:0031290 | retinal ganglion cell axon guidance | The process in which the migration of an axon growth cone of a retinal ganglion cell (RGC) is directed to its target in the brain in response to a combination of attractive and repulsive cues. | 28 |
| GO:0009860 | pollen tube growth | Growth of pollen via tip extension of the intine wall. | 26 |
| GO:0034446 | substrate adhesion-dependent cell spreading | The morphogenetic process that results in flattening of a cell as a consequence of its adhesion to a substrate. | 22 |
| GO:0009826 | unidimensional cell growth | The process in which a cell irreversibly increases in size in one [spatial] dimension or along one axis, resulting in the morphogenesis of the cell. | 21 |
| GO:0016199 | axon midline choice point recognition | The recognition of molecules at the central nervous system midline choice point by an axon growth cone; this choice point determines whether the growth cone will cross the midline. | 20 |
| GO:0070983 | dendrite guidance | The process in which the migration of a dendrite is directed to a specific target site in response to a combination of attractive and repulsive cues. | 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:0007412 | axon target recognition | The process in which an axon recognizes and binds to a set of cells with which it may form stable connections. | 13 |
| GO:0021952 | central nervous system projection neuron axonogenesis | Generation of a long process of a CNS neuron, that carries efferent (outgoing) action potentials from the cell body towards target cells in a different central nervous system region. | 12 |
| GO:0008594 | photoreceptor cell morphogenesis | The process in which the structures of a photoreceptor cell are generated and organized. This process occurs while the initially relatively unspecialized cell is acquiring the specialized features of a photoreceptor cell, a sensory cell that reacts to the presence of light. An example of this is found in Drosophila melanogaster. | 12 |
| GO:0048667 | cell morphogenesis involved in neuron differentiation | The process in which the structures of a neuron are generated and organized. This process occurs while the initially relatively unspecialized cell is acquiring the specialized features of a neuron. | 12 |
| GO:0003382 | epithelial cell morphogenesis | The change in form that occurs when an epithelial cell progresses from its initial formation to its mature state. | 12 |
| GO:0001837 | epithelial to mesenchymal transition | A transition where an epithelial cell loses apical/basolateral polarity, severs intercellular adhesive junctions, degrades basement membrane components and becomes a migratory mesenchymal cell. | 11 |
| GO:0033563 | dorsal/ventral axon guidance | The process in which the migration of an axon growth cone is directed to a specific target site along the dorsal-ventral body axis in response to a combination of attractive and repulsive cues. The dorsal/ventral axis is defined by a line that runs orthogonal to both the anterior/posterior and left/right axes. The dorsal end is defined by the upper or back side of an organism. The ventral end is defined by the lower or front side of an organism. | 10 |
| GO:0003337 | mesenchymal to epithelial transition involved in metanephros morphogenesis | A transition where a mesenchymal cell establishes apical/basolateral polarity,forms intercellular adhesive junctions, synthesizes basement membrane components and becomes an epithelial cell that will contribute to the shaping of the metanephros. | 10 |
| GO:0048768 | root hair cell tip growth | Localized growth of a plant root hair tip by extension of the cell wall. | 9 |
| GO:0014034 | neural crest cell fate commitment | The process in which a cell becomes committed to become a neural crest cell. | 9 |
| GO:0072499 | photoreceptor cell axon guidance | The chemotaxis process that directs the migration of a photoreceptor cell axon growth cone to its target in the optic lobe in response to a combination of attractive and repulsive cues. | 9 |
| GO:0030713 | ovarian follicle cell stalk formation | Development of ovarian follicle cells to create the interfollicular stalks that connect the egg chambers of progressive developmental stages. An example of this process is found in Drosophila melanogaster. | 9 |
| 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: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:0060271 | cilium morphogenesis | A process that is carried out at the cellular level and in which the structure of a cilium is organized. | 8 |
| GO:0021960 | anterior commissure morphogenesis | Generation of a long process of a CNS neuron, that carries efferent (outgoing) action potentials from the cell body in one half of the cerebral cortex towards target cells in the contralateral half. This axonal process is a member of those that make up the anterior commissure, a small midline fiber tract that lies at the anterior end of the corpus callosum. | 6 |
| GO:0031103 | axon regeneration | The regrowth of axons following their loss or damage. | 6 |
| GO:0060231 | mesenchymal to epithelial transition | A transition where a mesenchymal cell establishes apical/basolateral polarity, forms intercellular adhesive junctions, synthesizes basement membrane components and becomes an epithelial cell. | 6 |
| GO:0010090 | trichome morphogenesis | The process in which the structures of a hair cell (trichome) cell are generated and organized. This process occurs while the initially relatively unspecialized epidermal cell is acquiring the specialized features of a hair cell. An example of this process is found in Arabidopsis thaliana. | 6 |
| GO:0035318 | imaginal disc-derived wing hair outgrowth | Extrusion of a cellular projection from the apical membrane of an epithelial cell in an imaginal disc-derived wing. Outgrowth initiates approximately 35 hours after puparium formation from the distal side of the cell, and at this stage the cellular extension is termed a prehair. | 6 |
| GO:0002093 | auditory receptor cell morphogenesis | Any process that alters the size or shape of an auditory receptor cell. | 6 |
| GO:0090254 | cell elongation involved in imaginal disc-derived wing morphogenesis | The process in which a cell elongates and contributes to imaginal disc-derived wing morphogenesis. | 5 |
| GO:0030220 | platelet formation | The process in which platelets bud from long processes extended by megakaryocytes. | 5 |
| GO:0003383 | apical constriction | The actin-mediated process that results in the contraction of the apical end of a polarized columnar epithelial cell. | 5 |
| GO:0048858 | cell projection morphogenesis | The process in which the anatomical structures of a cell projection are generated and organized. | 4 |
| GO:0009932 | cell tip growth | Growth that occurs specifically at the tip of a cell. | 4 |
| GO:0001831 | trophectodermal cellular morphogenesis | The morphogenesis of trophectoderm cells. | 4 |
| GO:0021955 | central nervous system neuron axonogenesis | Generation of a long process from a neuron whose cell body resides in the central nervous system. The process carries efferent (outgoing) action potentials from the cell body towards target cells. | 4 |
| GO:0048668 | collateral sprouting | The process in which outgrowths develop from the shafts of existing axons. | 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: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: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:0033564 | anterior/posterior axon guidance | The process in which the migration of an axon growth cone is directed to a specific target site along the anterior-posterior body axis in response to a combination of attractive and repulsive cues. The anterior-posterior axis is defined by a line that runs from the head or mouth of an organism to the tail or opposite end of the organism. | 3 |
| GO:0048894 | efferent axon development in a lateral line nerve | The process whose specific outcome is the progression of an efferent axon in a lateral line nerve over time from its formation to the mature structure. This process includes axonogenesis and pathfinding of the efferent axons in any lateral line nerve. | 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:0060997 | dendritic spine morphogenesis | The process in which the anatomical structures of a dendritic spine are generated and organized. A dendritic spine is a protrusion from a dendrite and a specialized subcellular compartment involved in synaptic transmission. | 3 |
| GO:0070309 | lens fiber cell morphogenesis | The process in which the structures of a lens fiber cell are generated and organized. This process occurs while the initially relatively unspecialized cell is acquiring the specialized features of a lens fiber cell. A lens fiber cell is any of the elongated, tightly packed cells that make up the bulk of the mature lens in a camera-type eye. | 3 |
| GO:0048601 | oocyte morphogenesis | The process in which the structures of an oocyte are generated and organized. This process occurs while the initially relatively unspecialized cell is acquiring the specialized features of an oocyte. | 3 |
| GO:0007414 | axonal defasciculation | Separation of axons away from a bundle of axons known as a fascicle. | 2 |
| GO:0071679 | commissural neuron axon guidance | The process in which the migration of an axon growth cone of a commissural neuron is directed to its target in the brain in response to a combination of attractive and repulsive cues. | 2 |
| GO:0007415 | defasciculation of motor neuron axon | Separation of a motor axon away from a bundle of axons known as a fascicle. | 2 |
| GO:0048674 | collateral sprouting of injured axon | The process resulting in reformation of a growth cone by the tip of an injured axon, or in collateral sprouting of the axon. Collateral sprouting is the process in which outgrowths develop from the shafts of existing axons. | 2 |
| GO:0021540 | corpus callosum morphogenesis | The process in which the anatomical structures of the corpus callosum are generated and organized. The corpus callosum is a thick bundle of nerve fibers comprising a commissural plate connecting the two cerebral hemispheres. It consists of contralateral axon projections that provides communications between the right and left cerebral hemispheres. | 2 |
| GO:0048914 | myelination of anterior lateral line nerve axons | The formation of compact myelin sheaths around the axons of the anterior lateral line nerve. | 1 |
| GO:0048932 | myelination of posterior lateral line nerve axons | The formation of compact myelin sheaths around the axons of the posterior lateral line nerve. | 1 |
| GO:0021957 | corticospinal tract morphogenesis | Generation of a long process of a pyramidal cell, that carries efferent (outgoing) action potentials from the cell body in cerebral cortex layer V towards target cells in the gray matter of the spinal cord. This axonal process is a member of those that make up the corticospinal tract. | 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: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:0016198 | axon choice point recognition | The recognition of molecules at a choice point by an axon growth cone; at a choice point the growth cone determines the direction of its future growth. | 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:0001828 | inner cell mass cellular morphogenesis | The morphogenesis of cells in the inner cell mass. | 1 |
| GO:0048677 | axon extension involved in regeneration | Long distance growth of a single axon process involved in regeneration of the neuron. | 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:0060317 | cardiac epithelial to mesenchymal transition | 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. | 1 |
| GO:0010091 | trichome branching | Any process involved in the formation of branches in plant hair cells. An example of this process is found in Arabidopsis thaliana. | 1 |
| GO:0097374 | sensory neuron axon guidance | The process in which the migration of an axon growth cone of a sensory neuron is directed to a specific target site in response to a combination of attractive and repulsive cues. A sensory neuron is an afferent neuron conveying sensory impulses. | 1 |
| GO:0060385 | axonogenesis involved in innervation | The neurite development process that generates a long process of a neuron, as it invades a target tissue. | 1 |
| GO:0001886 | endothelial cell morphogenesis | The change in form (cell shape and size) that occurs during the differentiation of an endothelial cell. | 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:0072673 | lamellipodium morphogenesis | A process that is carried out at the cellular level and in which the structure of a lamellipodium is organized. | 1 |
| GO:0048933 | afferent axon development in posterior lateral line nerve | The process whose specific outcome is the progression of an afferent axon in the posterior lateral line nerve over time from its formation to the mature structure. This process includes axonogenesis and pathfinding of the afferent axons in the posterior lateral line nerve. | 1 |
| GO:0014012 | peripheral nervous system axon regeneration | The regrowth of axons outside the central nervous system (outside the brain and spinal cord) following an axonal injury. | 1 |
| GO:0048929 | efferent axon development in posterior lateral line nerve | The process whose specific outcome is the progression of an efferent axon in the posterior lateral line nerve over time from its formation to the mature structure. This process includes axonogenesis and pathfinding of the efferent axons in the posterior lateral line nerve. | 1 |
| GO:0000753 | cell morphogenesis involved in conjugation with cellular fusion | The change in form (cell shape and size) that occurs during sexual reproduction in order to facilitate direct contact between the compatible mating types in organisms that undergo conjugation cellular fusion. | 1 |