different between chitin vs peptidoglycan

chitin

English

Etymology

From French chitine, from Latin chit?n (mollusk), from Ancient Greek ????? (khit?n). See also chiton.

Pronunciation

  • enPR: k??t?n, IPA(key): /?ka?t?n/
  • Rhymes: -a?t?n

Noun

chitin (countable and uncountable, plural chitins)

  1. (biochemistry) 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.
    • 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.

Derived terms

Translations

References

  • chitin in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913.
  • Douglas Harper (2001–2021) , “chitin”, in Online Etymology Dictionary

Anagrams

  • itchin'

chitin From the web:

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peptidoglycan

English

Etymology

peptido- +? glycan

Noun

peptidoglycan (plural peptidoglycans)

  1. (biochemistry) A polymer of glycan and peptides found in bacterial cell walls

Synonyms

  • mucopeptide

Derived terms

  • pseudopeptidoglycan

peptidoglycan From the web:

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