extra ocular muscle

extraocular muscle

[ek-struh-ok-yuh-ler, ek-struh-]
noun Anatomy.

Origin:
1935–40; extra- + ocular

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American Heritage
Medical Dictionary

extraocular muscle ex·tra·oc·u·lar muscle (ěk'strə-ŏk'yə-lər)
n.
Any of the six small muscles that control movement of the eyeball within the socket.

The American Heritage® Stedman's Medical Dictionary
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