| Name: | cranial nerve IX |
|---|---|
| Synonyms: | CN-IX, glossopharyngeal nerve, nervus glossopharyngeus |
| Definition: | Cranial nerve that innervates gill muscles. Sometimes called a branchiomeric nerve because it innervates derivatives of the branchial arches. The root is typically found at rhombomere 6. This nerve contains sensory axons that carry both somatic and visceral sensory information as well as motor axons from branchiomotor neurons. |
| Ontology: | Anatomy Ontology [ZFA:0000668] |
| Name: | axon guidance |
|---|---|
| Synonyms: | axon chemotaxis, axon growth cone guidance, axon pathfinding |
| Definition: | 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. |
| Ontology: | GO: Biological Process [GO:0007411] QuickGO AmiGO |