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Anatomy Ontology
cranial nerve IV
- Term ID
- ZFA:0000600
- 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. (1)
- Appears at
- Unknown
- Evident until
- Adult (90d-730d, breeding adult)
- References
-
- TAO:0000600
- Ontology
- Anatomy Ontology
- is part of
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- is a type of
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