ciliary body

Pronunciation: (SIH-lee-ayr-ee BAH-dee)

A part of the middle layer of the wall of the eye. The ciliary body includes the ring-shaped muscle that changes the size of the pupil and the shape of the lens when the eye focuses. It also makes the fluid that fills the eye.

Source: NCI Dictionary of Cancer Terms

Caption: Anatomy of the eye, showing the outside and inside of the eye including the eyelid, pupil, sclera, iris, cornea, lens, ciliary body, retina, choroid, vitreous humor, and optic nerve.

2007-07-06 Date last modified: 2007-09-28