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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
Relationships
is part of
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Expression
Genes with most Figures
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