| 释义 |
oculomotor nerve
noun[ C ]
anatomy specializeduk /ˈɒk.jə.lə.məʊ.tə ˈnɜːv/ us /ˌɑːk.jə.loʊ.moʊ.t̬ɚ ˈnɝːv/
either of a pair of cranial nerves(= nerves that connect the lower surface of the brain to other parts of the body) that are involved in the movement of the muscles in the eye:
The oculomotor nerve is essential for the movements of the eyeball.
The extra-ocular muscles receive motor innervation from the oculomotor nerve.
Attacks of migraine-like pain occur around the eye, with oculomotor nerve dysfunction and dilatation of the pupil.
There are two structures in the eye that receive parasympathetic innervation from the oculomotor nerve.
Irritation of the oculomotor nerve causes constriction of the pupil on the injured side.
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The eye & surrounding area
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