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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.

mucin

/ˈmjuːsɪn/ /ˈmjuːsɪn/

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.

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