ciliary muscle

ciliary muscle

noun Anatomy.
the smooth muscle in the ciliary body, the action of which affects the accommodation of the eye.

Origin:
1875–80

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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American Heritage
Medical Dictionary

ciliary muscle n.
A smooth muscle of the ciliary body of the eye, consisting of circular fibers and radiating fibers, and whose action changes the shape of lens in the process of accommodation.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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Encyclopedia Britannica
Encyclopedia

ciliary muscle

muscle of the ciliary body of the eye, between the sclera (white of the eye) and the fine ligaments that suspend the lens. It is composed of both longitudinal and circular fibres and serves to change the shape of the lens, enabling the eye to focus upon near or distant objects.

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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