Source:http://linkedlifedata.com/resource/umls/id/C0003903
MSH: Members of the phylum Arthropoda, composed of organisms having a hard, jointed exoskeleton and paired jointed legs. It includes the class INSECTS and the subclass ARACHNIDA, many species of which are important medically as parasites or as vectors of organisms capable of causing disease in man.,CSP: body is semented into 2 or 3 regions, with paired, segmented appendages, and a hardened body wall; periodically sheds and renews the exoskeleton.,NCI: The taxonomic phylum whose members are invertebrates with hard exoskeletons and segmented joints. Organisms in this phylum include the Arachnids, Centipedes, Crustaceans, Insects and the extinct Trilobites.