- the smooth muscle in the ciliary body, the action of which affects the accommodation of the eye.
Origin of ciliary muscle
First recorded in 1875–80
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- A smooth muscle of the ciliary body of the eye, consisting of circular fibers and radiating fibers, and whose action changes the shape of the 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.