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nouna tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungitype of:
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
- chitinous of or resembling chitin
- hypodermis layer of cells that secretes the chitinous cuticle in e.g. arthropods
- chaeta a stiff chitinous seta or bristle especially of an annelid worm
- arcella an amoeba-like protozoan with a chitinous shell resembling an umbrella