"Elytrin" is a word in ENGLISH

See Chitin.

Any species or marine hydroids, of the genus Hydractinia and allied genera. These hydroids form, by their rootstalks, a firm, …

A special structure found in the mouth of most mollusks, except bivalves. It consists of several muscles and a cartilage …

The chitinous ribbon bearing the teeth of mollusks; -- called also lingual ribbon, and tongue. See Odontophore.

The chitinous fiber forming the spiral thread of the tracheae of insects. See Illust. of Trachea.

An extensive order of parasitic worms. They are found in the internal cavities of animals belonging to all classes. Many …