"Corpus cillare" is a Latin term commonly used in anatomy and physiology to refer to a structure in the human eye responsible for regulating the amount of light entering the eye. The correct spelling of this term is "corpus ciliare," with the initial "i" being pronounced as a short "i" sound /ɪ/. The following "i" in the term is pronounced as a long "e" sound /i/, and the final "e" is silent. Understanding the correct spelling and pronunciation is crucial in accurately communicating in the field of biology or medicine.
The term "corpus cillare" refers to a specific structure within the human eye. Also known as the ciliary body, it is a part of the middle layer of the eye called the uvea. Located directly behind the iris, the corpus cillare is responsible for certain important functions related to vision.
Anatomically, the corpus cillare is a circular structure that surrounds the lens of the eye. It is composed of various muscle fibers, blood vessels, and connective tissues. One of its primary roles is to control the shape of the lens. Through its muscle fibers, the corpus cillare can change the thickness and curvature of the lens, a process known as accommodation. This enables the eye to focus on objects at different distances, ensuring clear vision both up close and far away.
Furthermore, the corpus cillare produces aqueous humor, a clear fluid that fills the front chamber of the eye. This fluid helps maintain the optimal pressure within the eye, contributing to its shape and overall function. It nourishes the cornea and lens, providing essential nutrients and oxygen to these structures.
In summary, the corpus cillare is a vital component of the eye responsible for lens accommodation and the production of aqueous humor. Its intricate structure and functions play a crucial role in maintaining clear vision and regulating the physiological conditions within the eye.
Ciliary body, a thickened portion of the tunica vasculosa of the eye between the chorioid and the iris it consists of three parts or zones: orbiculus ciliaris, corona ciliaris, and musculus ciliaris.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.