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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

Additionally, a tongue-like organ called a radula, which bears chitinous tooth-like ornamentation, is present in many species, and serves to shred or scrape food.

From Textbooks ● Jan. 1, 2015

And a crackle now and again — testament to all those chitinous exoskeletons.

From Salon ● Mar. 12, 2013

Another subcircuit pulsates the gastric mill, a muscular pouch lined with chitinous teeth that help break down food.

From Scientific American ● Oct. 2, 2012

The fixed statoblasts are elongate and surrounded by an irregularly shaped chitinous membrane, which is often of considerable extent.

From Freshwater Sponges, Hydroids & Polyzoa by Nelson Annandale

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