Mucous membranes
Mucous Membranes
Mucous membranes (pronunciation: MYOO-kuhs MEM-brayns) are a type of epithelial tissue that lines various cavities in the body and covers the surface of internal organs. They secrete mucus, a thick protective fluid. The function of the mucous membranes is to protect the cells in the body and to prevent the tissues from drying out.
Etymology
The term "mucous membrane" comes from the Latin words "mucus" which means "slime, mold, snot," and "membrana" which means "parchment or thin skin."
Anatomy
Mucous membranes are found lining the digestive system, respiratory system, and reproductive system, among others. They are also found in the mouth, nose, and eyes.
Function
The primary function of the mucous membranes is to produce mucus, which helps to protect and moisturize the body's internal surfaces. This mucus also acts as a barrier against bacteria and viruses, preventing them from entering the body.
Related Terms
- Epithelial Tissue: This is the type of tissue that forms the mucous membranes. It is one of the four basic types of tissue in the body.
- Mucus: A thick, slippery fluid produced by the mucous membranes.
- Goblet Cell: A type of cell found in the mucous membranes that produces and secretes mucus.
- Respiratory System: One of the body systems where mucous membranes are found.
- Digestive System: Another body system that contains mucous membranes.
External links
- Medical encyclopedia article on Mucous membranes
- Wikipedia's article - Mucous membranes
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