Bowman's membrane
Bowman's Membrane
Bowman's Membrane (pronounced: boh-muhnz mem-brayn) is a smooth, transparent, acellular layer of the cornea in the human eye. It is named after Sir William Bowman, a 19th-century British ophthalmologist and anatomist.
Etymology
The term "Bowman's Membrane" is derived from the name of Sir William Bowman, who first described this structure in detail. The word "membrane" comes from the Latin membrana, meaning "a thin skin or film".
Description
Bowman's Membrane is located between the epithelium and the stroma in the cornea. It is approximately 8 to 14 micrometers thick and is composed primarily of type IV collagen and laminin. It serves as a protective barrier for the cornea, preventing foreign objects and infections from reaching the stroma and the inner parts of the eye.
Related Terms
- Cornea: The clear front surface of the eye, which covers the iris and pupil.
- Epithelium: The thin layer of tissue that covers organs, glands, and other structures within the body.
- Stroma: The supportive, connective, and framework tissue of biological cells, including the cornea.
- Collagen: The main structural protein in the extracellular space in the various connective tissues in the body.
- Laminin: A family of proteins that are an integral part of the structural scaffolding in almost every tissue of an organism.
See Also
External links
- Medical encyclopedia article on Bowman's membrane
- Wikipedia's article - Bowman's membrane
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