Cranial nerve III: The third cranial nerve is the oculomotor nerve. The cranial nerves emerge from or enter the skull (the cranium), as opposed to the spinal nerves which emerge from the vertebral column. There are twelve cranial nerves.
The oculomotor nerve is responsible for the nerve supply to muscles about the eye:
Paralysis of the oculomotor nerve results in drooping eyelid (ptosis), deviation of the eyeball outward (and therefore double vision) and a dilated (wide-open) pupil.
This page includes the following topics and synonyms: Cranial Nerve 3, Cranial Nerve III, Oculomotor Nerve, CN 3.
The third cranial nerve or oculomotor nerve controls most of the eye movements and also provides fibers for constriction of the pupil, accomodation, and elevating the ...
U.S. National Library of Medicine National Institutes of Health
Introduction to the structure and function of the human cranial nerves, for medical students.
Cranial mononeuropathy III -- compression type -- is a problem with the function of the third cranial nerve that causes double vision and eyelid drooping ...