Definitions for mucinˈmyu sɪn

This page provides all possible meanings and translations of the word mucin

Princeton's WordNet

  1. mucin(noun)

    a nitrogenous substance found in mucous secretions; a lubricant that protects body surfaces

GCIDE

  1. Mucin(n.)

    (Physiol. Chem.) Any of a class of high molecular weight glycoproteins which are contained in mucus, and give to the latter secretion its peculiar ropy character. They are found in all the secretions from mucous glands, and also between the fibers of connective tissue, as in tendons. They form viscous solutions and serve to provide lubrication for movement within body cavities, and some protection of surfaces. See Illust. of Demilune.

  2. Origin: [From Mucus.]

Wiktionary

  1. mucin(Noun)

    Any of several glycoproteins found in mucus

Webster Dictionary

  1. Mucin(noun)

    see Mucedin

  2. Mucin(noun)

    an albuminoid substance 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 fibers of connective tissue, as in tendons. See Illust. of Demilune

  3. Origin: [From Mucus.]

Freebase

  1. Mucin

    Mucins are a family of high molecular weight, heavily glycosylated proteins produced by epithelial tissues in most metazoans. Mucins' key characteristic is their ability to form gels; therefore they are a key component in most gel-like secretions, serving functions from lubrication to cell signalling to forming chemical barriers. They often take an inhibitory role. Some mucins are associated with controlling mineralization, including nacre formation in mollusks, calcification in echinoderms and bone formation in vertebrates. They bind to pathogens as part of the immune system. Overexpression of the mucin proteins, especially MUC1, is associated with many types of cancer. Although some mucins are membrane-bound due to the presence of a hydrophobic membrane-spanning domain that favors retention in the plasma membrane, most mucins are secreted onto mucosal surfaces or secreted to become a component of saliva.

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