Ciliary
Ciliary
Ciliary (/ˈsɪliəri/), derived from the Latin word cilium meaning 'eyelash', is a term used in various fields of medicine, particularly in relation to the structure and function of the human body.
Definition
In the context of human anatomy, ciliary refers to the cilia, which are tiny, hair-like structures present on the surface of all mammalian cells. They are primarily responsible for locomotion and the movement of fluid over a cell's surface.
Ciliary Body
The Ciliary Body is a part of the eye that includes the ciliary muscle, which controls the shape of the lens, and the ciliary epithelium, which produces the aqueous humor. The ciliary body is part of the uvea, the middle layer of the eye, and it is located behind the iris.
Ciliary Muscle
The Ciliary Muscle is a ring of smooth muscle in the eye's middle layer (vascular layer) that controls accommodation for viewing objects at varying distances and regulates the flow of aqueous humour into Schlemm's canal. It changes the shape of the lens within the eye, not the eye itself.
Ciliary Processes
Ciliary Processes are radial ridges in the ciliary body that produce aqueous humor, which is the clear fluid in the front of the eye between the cornea and the lens.
Ciliary Neurotrophic Factor
Ciliary Neurotrophic Factor (CNTF) is a protein that was initially characterized as a survival factor for chick ciliary neurons in culture. Later, CNTF was shown to promote survival and differentiation of other types of neurons and it has been implicated in the rescue and maintenance of neuronal cell types.
Ciliary Movement
Ciliary Movement is the rhythmic waving or beating of the cilia or ciliary processes, which serves to propel mucus and other substances across the surface of a cell or tissue.
Related Terms
- Ciliopathy: A type of genetic disorder that results from defects in the function or structure of cilia.
- Ciliogenesis: The process by which cilia are formed.
- Cilium: A slender, microscopic, hair-like structure present on the surface of all mammalian cells.
External links
- Medical encyclopedia article on Ciliary
- Wikipedia's article - Ciliary
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