Mucin - Meaning, Definition & English Examples
Mucin is a glycoprotein found in mucus, which lubricates and protects surfaces in the body, such as the digestive and respiratory tracts. It plays a key role in immune defense.
Definition:
A glycoprotein found in mucus, saliva, and other bodily secretions, providing lubrication and protection.
Synonyms:
glycoprotein, mucoprotein, mucus protein
Part of Speech:
noun
Antonyms:
(No direct antonyms; context-dependent)
Common Collocations:
mucous membrane, salivary mucin, gastric mucin, respiratory mucin
Derivatives:
mucinous, mucinogen
Usage Tips:
Use "mucin" to refer to the protein component in mucus or secretions; avoid confusing it with "mucus," the fluid itself.
Common Phrases:
(No common phrases or idioms)
Etymology:
Derived from Latin "mucus" (slime) + "-in" (protein suffix), first used in the 19th century.
Examples:
- 1. Mucin protects the stomach lining from acid damage.
- 2. Saliva contains mucin to keep the mouth moist.
- 3. Doctors study mucin levels in respiratory diseases.
- 4. Some cancers produce excess mucin, causing symptoms.