| Term: | cranial nerve IV axon |
|---|---|
| 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: | cranial nerve IV |
|---|---|
| Synonyms: | CN-IV, trochlear, trochlear nerve |
| Definition: | Cranial nerve that innervates the oculomotor system. The trochlear nerve is the only motor nerve to project dorsally and then cross the midline before exiting the neuroepithelium and re-orienting ventrally to project to the contralateral superior oblique extraocular muscle. |
| Ontology: | Anatomy Ontology [ZFA:0000600] |