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chitinous

  • a word derived from chitin.
    chitin
    noun
    a nitrogen-containing polysaccharide, related chemically to cellulose, that forms a semitransparent horny substance and is a principal constituent of the exoskeleton, or outer covering, of insects, crustaceans, and arachnids.

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As the organism’s carcass dries in the sun and the soft tissues decay, the blue color disappears, leaving the transparent chitinous float behind.

From Los Angeles Times ● May 3, 2024

Stomach-curdling by itself, it also happens to pose a major hurdle to defeating chitinous bloodsuckers.

From New York Times ● Sep. 30, 2022

The head of the trap-jaw ant is covered with a chitinous exoskeleton that muscles inside the head can bend like an archer’s bow.

From Scientific American ● Jun. 18, 2018

Crustaceans have a chitinous exoskeleton that is shed by molting whenever the animal increases in size.

From Textbooks ● Jan. 1, 2015

A=cellular contents; B=internal chitinous layer; C=external chitinous layer; D=pneumatic coat; E=gemmule-spicule; F=external membrane; G=foraminal tubule.

From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale

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