Medical Definition of Cranial nerve iii
1.
The occulomotor nerve is responsible for motor enervation of upper eyelid muscle, extraocular muscle and pupillary muscle.
Lesions of the oculomotor nerve results in ptosis (dropping eyelid), deviation of the eyeball outward, double vision and a dilated pupil.
Synonym: cranial nerve III.
(27 Sep 1997)
Lexicographical Neighbors of Cranial Nerve Iii
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