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Definitions of chitin
  1. noun
    a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi
Definition that contains chitin
  • crustacean any mainly aquatic arthropod usually having a segmented body and chitinous exoskeleton
  • arthropod invertebrate having jointed limbs and a segmented body with an exoskeleton made of chitin
  • hypodermis layer of cells that secretes the chitinous cuticle in e.g. arthropods
  • chitinous of or resembling chitin
  • chaeta a stiff chitinous seta or bristle especially of an annelid worm
  • arcella an amoeba-like protozoan with a chitinous shell resembling an umbrella
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