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Chitin

Chitin

WordNet



noun


(1)   A tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi
Wiktonary



Etymology


From < . See also .

Noun



  1. A complex polysaccharide, a polymer of N-acetylglucosamine, found in the exoskeletons of arthropods and in the cell walls of fungi; thought to be responsible for some forms of asthma in humans.

Quotations

  • 1880, Arthur Gamgee, A Text-book of the Physiological Chemistry of the Animal Body, Macmillan, p. 299
    Chitin usually occurs throughout Invertebrates in the form of an investment to the outermost cellular layer or ectoderm.
  • 2004, New Scientist, 11 Sep 2004, p.19
    The robot’s energy source is the sugar in the polysaccharide called chitin that makes up a fly’s exoskeleton.