| GO term: | axon initial segment |
| Synonym: | initial segment |
| GO id: | GO:0043194 |
| Definition: | Portion of the axon proximal to the neuronal cell body, at the level of the axon hillock. The action potentials that propagate along the axon are generated at the level of this initial segment. |
| Number of paths to term: | 16 |
denotes an 'is-a' relationship
denotes a 'part-of' relationship
denotes a 'regulates' relationship
denotes a 'positively-regulates' relationship
denotes a 'negatively-regulates' relationship
cellular_componentcellcell partcell projectioncell projection partaxon partaxolemmaaxon collateral +axon hillockaxon initial segment [GO:0043194] (12 genes, 14 annotations)axon microtubule bundleaxon terminus +axonal growth coneaxonal spineinternode region of axonjuxtaparanode region of axonmain axon +neurofilamentnode of Ranvierparallel fiberparanode region of axonpericellular basketpinceau fibersubsynaptic reticulumterminal bouton +varicositycellular_componentcellcell partcell projectioncell projection partaxon partmain axonaxolemmaaxon initial segment [GO:0043194] (12 genes, 14 annotations)internode region of axonjuxtaparanode region of axonnode of Ranvierparanode region of axonvaricositycellular_componentcellcell partcell projectionneuron projectionaxonaxon partaxolemmaaxon collateral +axon hillockaxon initial segment [GO:0043194] (12 genes, 14 annotations)axon microtubule bundleaxon terminus +axonal growth coneaxonal spineinternode region of axonjuxtaparanode region of axonmain axon +neurofilamentnode of Ranvierparallel fiberparanode region of axonpericellular basketpinceau fibersubsynaptic reticulumterminal bouton +varicositycellular_componentcellcell partcell projectionneuron projectionaxonaxon partmain axonaxolemmaaxon initial segment [GO:0043194] (12 genes, 14 annotations)internode region of axonjuxtaparanode region of axonnode of Ranvierparanode region of axonvaricositycellular_componentcellcell partcell projection partaxon partaxolemmaaxon collateral +axon hillockaxon initial segment [GO:0043194] (12 genes, 14 annotations)axon microtubule bundleaxon terminus +axonal growth coneaxonal spineinternode region of axonjuxtaparanode region of axonmain axon +neurofilamentnode of Ranvierparallel fiberparanode region of axonpericellular basketpinceau fibersubsynaptic reticulumterminal bouton +varicositycellular_componentcellcell partcell projection partaxon partmain axonaxolemmaaxon initial segment [GO:0043194] (12 genes, 14 annotations)internode region of axonjuxtaparanode region of axonnode of Ranvierparanode region of axonvaricositycellular_componentcellcell partneuron partneuron projectionaxonaxon partaxolemmaaxon collateral +axon hillockaxon initial segment [GO:0043194] (12 genes, 14 annotations)axon microtubule bundleaxon terminus +axonal growth coneaxonal spineinternode region of axonjuxtaparanode region of axonmain axon +neurofilamentnode of Ranvierparallel fiberparanode region of axonpericellular basketpinceau fibersubsynaptic reticulumterminal bouton +varicositycellular_componentcellcell partneuron partneuron projectionaxonaxon partmain axonaxolemmaaxon initial segment [GO:0043194] (12 genes, 14 annotations)internode region of axonjuxtaparanode region of axonnode of Ranvierparanode region of axonvaricositycellular_componentcell partcell projectioncell projection partaxon partaxolemmaaxon collateral +axon hillockaxon initial segment [GO:0043194] (12 genes, 14 annotations)axon microtubule bundleaxon terminus +axonal growth coneaxonal spineinternode region of axonjuxtaparanode region of axonmain axon +neurofilamentnode of Ranvierparallel fiberparanode region of axonpericellular basketpinceau fibersubsynaptic reticulumterminal bouton +varicositycellular_componentcell partcell projectioncell projection partaxon partmain axonaxolemmaaxon initial segment [GO:0043194] (12 genes, 14 annotations)internode region of axonjuxtaparanode region of axonnode of Ranvierparanode region of axonvaricositycellular_componentcell partcell projectionneuron projectionaxonaxon partaxolemmaaxon collateral +axon hillockaxon initial segment [GO:0043194] (12 genes, 14 annotations)axon microtubule bundleaxon terminus +axonal growth coneaxonal spineinternode region of axonjuxtaparanode region of axonmain axon +neurofilamentnode of Ranvierparallel fiberparanode region of axonpericellular basketpinceau fibersubsynaptic reticulumterminal bouton +varicositycellular_componentcell partcell projectionneuron projectionaxonaxon partmain axonaxolemmaaxon initial segment [GO:0043194] (12 genes, 14 annotations)internode region of axonjuxtaparanode region of axonnode of Ranvierparanode region of axonvaricositycellular_componentcell partcell projection partaxon partaxolemmaaxon collateral +axon hillockaxon initial segment [GO:0043194] (12 genes, 14 annotations)axon microtubule bundleaxon terminus +axonal growth coneaxonal spineinternode region of axonjuxtaparanode region of axonmain axon +neurofilamentnode of Ranvierparallel fiberparanode region of axonpericellular basketpinceau fibersubsynaptic reticulumterminal bouton +varicositycellular_componentcell partcell projection partaxon partmain axonaxolemmaaxon initial segment [GO:0043194] (12 genes, 14 annotations)internode region of axonjuxtaparanode region of axonnode of Ranvierparanode region of axonvaricositycellular_componentcell partneuron partneuron projectionaxonaxon partaxolemmaaxon collateral +axon hillockaxon initial segment [GO:0043194] (12 genes, 14 annotations)axon microtubule bundleaxon terminus +axonal growth coneaxonal spineinternode region of axonjuxtaparanode region of axonmain axon +neurofilamentnode of Ranvierparallel fiberparanode region of axonpericellular basketpinceau fibersubsynaptic reticulumterminal bouton +varicositycellular_componentcell partneuron partneuron projectionaxonaxon partmain axonaxolemmaaxon initial segment [GO:0043194] (12 genes, 14 annotations)internode region of axonjuxtaparanode region of axonnode of Ranvierparanode region of axonvaricosityMouse Genome Database (MGD), Gene Expression Database (GXD), Mouse Tumor Biology (MTB), Gene Ontology (GO), MouseCyc |
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last database update 05/08/2013 MGI 5.13 |
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