The oculomotor nerve is a cranial nerve that plays a vital role in the movement and control of the eye muscles. It originates from the midbrain and extends to various muscles responsible for eye movements, including the levator palpebrae superioris, superior rectus, inferior rectus, medial rectus, and inferior oblique muscles. The oculomotor nerve coordinates the precise movements of these muscles, allowing for smooth and coordinated eye movements, as well as the regulation of pupil size. Damage or dysfunction of the oculomotor nerve can result in various eye movements abnormalities, such as drooping eyelids, double vision, and difficulty in focusing on nearby objects.

“oculomotor nerve”的英语定义和含义

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