Mucin

**Semantic type:** Amino Acid, Peptide, or Protein

**Definition:** An albuminoid substance containing mucopolysaccharides and protein which is contained in mucus, and gives to the latter secretion its peculiar ropy character. It is found in all the secretions from mucous glands, and also between the fibres of connective tissue, as in tendons.

**Synonyms:** - Mucus Glycoprotein