Oculomotor
Oculomotor
Oculomotor (pronunciation: /ˌɒkjʊləʊˈməʊtər/) refers to anything related to the movement of the eye. The term is derived from the Latin words "oculus" meaning "eye" and "motor" meaning "mover".
Oculomotor Nerve
The Oculomotor nerve is the third cranial nerve (CN III). It is responsible for the majority of the eye's movements and for the constriction of the pupil and maintaining an open eyelid.
Oculomotor System
The Oculomotor system is the physiological system that controls the movement of the eyes. This includes the extraocular muscles, the cranial nerves that innervate them, and the higher brain centers that direct and coordinate these movements.
Oculomotor Dysfunction
Oculomotor dysfunction is a condition where the oculomotor nerve is damaged, leading to a variety of symptoms such as double vision, inability to control eye movements, and drooping of the eyelid (ptosis).
Related Terms
- Extraocular muscles: The muscles that move the eye. They are controlled by the oculomotor, trochlear, and abducens nerves.
- Cranial nerves: The 12 pairs of nerves that emerge directly from the brain, including the oculomotor nerve.
- Ptosis: Drooping or falling of the upper or lower eyelid.
- Strabismus: A condition in which the eyes do not properly align with each other when looking at an object.
See Also
External links
- Medical encyclopedia article on Oculomotor
- Wikipedia's article - Oculomotor
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