Posterior chamber
Posterior Chamber
The Posterior Chamber (pronounced: poh-STEER-ee-or CHAYM-bur) is a term used in anatomy to describe a part of the eye.
Etymology
The term "Posterior Chamber" is derived from Latin. "Posterior" means "behind" and "Chamber" refers to a compartment or enclosed space. In this context, it refers to the space behind the iris but in front of the lens in the eye.
Definition
The Posterior Chamber is a small space directly behind the iris but anterior to the lens. It is filled with a clear fluid known as aqueous humor, which nourishes the eye and maintains its shape.
Function
The main function of the Posterior Chamber is to produce and contain the aqueous humor. This fluid circulates from the Posterior Chamber, through the pupil, and into the anterior chamber, providing nutrients to the lens and the cornea. It also helps to maintain the intraocular pressure of the eye.
Related Terms
- Iris: The colored part of the eye that controls the amount of light that enters the eye.
- Lens: The transparent structure behind the iris that helps to focus light on the retina.
- Aqueous Humor: The clear fluid filling the space in the front of the eyeball between the lens and the cornea.
- Anterior Chamber: The fluid-filled space inside the eye between the iris and the cornea's innermost surface, the endothelium.
- Intraocular Pressure: The fluid pressure inside the eye.
External links
- Medical encyclopedia article on Posterior chamber
- Wikipedia's article - Posterior chamber
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