Mucous gland

Mucous gland

The Mucous gland or mucus gland is a type of gland found in various parts of the body that produces a viscous secretion known as mucus. The primary function of these glands is to protect and lubricate the various tissues in the body.

Etymology

The term "mucous gland" is derived from the Latin word "mucus" which means "slime, mold, snot, etc." and the Greek word "aden" which means "gland".

Structure

Mucous glands are exocrine glands that secrete mucus directly onto a surface. They are found in several places throughout the body, including the respiratory system, digestive system, and reproductive system. The glands are composed of goblet cells, which are specialized epithelial cells that produce the mucus.

Function

The primary function of the mucous glands is to produce mucus, a thick protective fluid. The mucus serves several important functions:

• It acts as a lubricant, reducing friction and preventing damage to the tissues.
• It traps and removes foreign particles and microorganisms.
• It helps to maintain the moisture of the tissues.

Clinical significance

Dysfunction or disease of the mucous glands can lead to a variety of health problems. For example, Cystic fibrosis is a genetic disorder that causes the mucus produced by the glands to become thick and sticky, leading to blockages in the lungs and digestive system. Other conditions, such as Chronic bronchitis, can cause the glands to produce too much mucus, leading to coughing and difficulty breathing.

See also

• Goblet cell
• Exocrine gland
• Mucus

References

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