| Term: | Rohon-Beard neuron axon initial segment |
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| Note: | This page represents a term created by the combination ("post-composition") of two ontology terms. For more information on the individual terms, click the hyperlinked name. |
| Name: | Rohon-Beard neuron |
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| Synonyms: | RB neuron, Rohon-Beard cell, Rohon-Beard neurons |
| Definition: | Primary sensory neurons with cell bodies located in the dorsal spinal cord, that innervate the integument of the trunk and tail at early larval stages. The cutaneous axons of Rohon-Beard neurons display a broad spectrum of peripheral axon branching patterns. Most Rohon-Beard neurons undergo apoptosis by 5dpf. |
| Ontology: | Anatomy Ontology [ZFA:0009150] |
| Name: | axon initial segment |
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| Synonyms: | initial segment |
| 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. |
| Ontology: | GO: Cellular Component [GO:0043194] QuickGO AmiGO |