n. 几丁质, 壳多糖

[化] 壳多糖; 几丁质; 甲壳质

[医] 壳质, 甲壳质

[ noun ]
a tough semitransparent horny substance; the principal component of the exoskeletons of arthropods and the cell walls of certain fungi
<noun.substance>

Chitin \Chi"tin\, n. [See {Chiton}.] (Chem.)
A white amorphous horny substance forming the harder part of
the outer integument of insects, crustacea, and various other
invertebrates; entomolin.