Trabecular meshwork
Trabecular Meshwork
The Trabecular Meshwork (trəˈbɛkjʊlər ˈmɛʃwɜːrk) is a part of the eye that helps with the drainage of aqueous humor, the clear fluid inside the eye. It is a critical component in the regulation of intraocular pressure, and its dysfunction can lead to glaucoma.
Etymology
The term "trabecular" is derived from the Latin word "trabecula", which means "small beam". The term "meshwork" refers to the network-like structure of this part of the eye.
Anatomy
The trabecular meshwork is located in the anterior part of the eye, near the cornea and iris. It is composed of connective tissue and is organized into a mesh-like structure. The trabecular meshwork is divided into three parts: the uveal meshwork, the corneoscleral meshwork, and the juxtacanalicular tissue (or cribriform meshwork).
Function
The primary function of the trabecular meshwork is to facilitate the outflow of aqueous humor from the anterior chamber of the eye into the Schlemm's canal. This process is crucial for maintaining the intraocular pressure within a normal range.
Related Terms
- Glaucoma: A group of eye conditions that damage the optic nerve, often due to an abnormally high pressure in your eye.
- Intraocular Pressure: The fluid pressure inside the eye.
- Schlemm's Canal: A circular lymphatic-like vessel in the eye that collects aqueous humor from the anterior chamber and delivers it into the bloodstream.
- Anterior Chamber: The fluid-filled space inside the eye between the iris and the cornea's innermost surface.
External links
- Medical encyclopedia article on Trabecular meshwork
- Wikipedia's article - Trabecular meshwork
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