Chitin

Science / Biology / Chitin: A polysaccharide contained in fungi; also forms part of the hard outer covering of insects.

Setules

Science / Marine Biology / Setules: Chitinous projections from copepod maxillipeds that trap food particles MORE

Cell Wall

Science / Biology / Cell Wall: Structure produced by some cells outside their cell membrane; variously composed of chitin, peptidoglycan, or cellulose. MORE

Trilobites

Science / Biology / Trilobites: A group of benthonic, detritus-feeding, extinct marine invertebrate animals (phylum Arthropoda), having skeletons of an organic compound called chitin. Trilobites appear in abundance early in the Camb MORE

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