Source:http://linkedlifedata.com/resource/umls/id/C0002668
CSP: cold blooded chordates; larva are usually aquatic, breathing by gills; adults are terrestrial or aquatic, breathing by lungs and through moist glandular skin.,MSH: VERTEBRATES belonging to the class amphibia such as frogs, toads, newts and salamanders that live in a semiaquatic environment.,NCI: A taxonomic class of vertebrates that include frogs, toads, newts, salamanders, and gymnophiona. Amphibians are cold blooded land animals that lay eggs in the water. The juveniles of this class metamorphose from water-breathing organisms to air-breathing organisms upon adult maturation.