- A ring of tissue extending from the scleral spur to the ora serrata of the retina. It consists of the uveal portion and the epithelial portion. The ciliary muscle is in the uveal portion and the ciliary processes are in the epithelial portion.
Definition from: MeSH via Unified Medical Language System at the National Library of Medicine
- An annular structure on the inner surface of the anterior wall of the eyeball, composed largely of the ciliary muscle and bearing the ciliary processes
Definition from: Merriam-Webster's Medical Dictionary by Merriam-Webster Inc.
See also Understanding Medical Terminology.