Oculomotor nucleus
Oculomotor Nucleus
The Oculomotor Nucleus (pronunciation: ok-yoo-loh-moh-tor noo-klee-uhs) is a cluster of neurons that is located in the midbrain. It is responsible for controlling the movement of the eye.
Etymology
The term "Oculomotor" is derived from Latin, where "oculus" means "eye" and "motor" means "mover". The term "nucleus" is derived from Latin as well, meaning "kernel" or "core".
Function
The Oculomotor Nerve originates in the Oculomotor Nucleus. This nerve is responsible for innervating the muscles that enable most eye movements. The Oculomotor Nucleus is divided into several subnuclei, each controlling different muscles.
Related Terms
- Midbrain: The part of the brain where the Oculomotor Nucleus is located.
- Oculomotor Nerve: The nerve that originates from the Oculomotor Nucleus.
- Extraocular Muscles: The muscles that are controlled by the Oculomotor Nerve.
- Edinger-Westphal Nucleus: A part of the Oculomotor Nucleus that controls the constriction of the pupil and the shape of the lens.
See Also
External links
- Medical encyclopedia article on Oculomotor nucleus
- Wikipedia's article - Oculomotor nucleus
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