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oculomotor nerve formation
Term Information
Accession
GO:0021623
Name
oculomotor nerve formation
Ontology
biological_process
Synonyms
CN III biosynthesis, CN III formation
Alternate IDs
None
Definition
The process that gives rise to the oculomotor nerve. This process pertains to the initial formation of a structure from unspecified parts. This motor nerve innervates all extraocular muscles except the superior oblique and the lateral rectus muscles. The superior division supplies the levator palpebrae superioris and superior rectus muscles. The inferior division supplies the medial rectus, inferior rectus and inferior oblique muscles. This nerve also innervates the striated muscles of the eyelid. Pupillary constriction and lens movement are mediated by this nerve for near vision. In the orbit the inferior division sends branches that enter the ciliary ganglion where they form functional contacts (synapses) with the ganglion cells. The ganglion cells send nerve fibers into the back of the eye where they travel to ultimately innervate the ciliary muscle and the constrictor pupillae muscle.
Source:
GOC:cls,
GOC:dph,
GO_REF:0000021,
GOC:dgh,
GOC:jid,
ISBN:0838580343
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