Dictionary of Cancer Terms
View in Spanish: Cuerpo ciliar
Ciliary body (SIH-lee-ayr-ee )
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: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.