Source:http://linkedlifedata.com/resource/umls/id/C0040818
CSP: class of parasitic flukes consisting of three subclasses, Monogenea, Aspidogastrea, and Digenea; the digenetic trematodes are the only ones found in man; organisms are endoparasites and require two hosts to complete their life cycle.,MSH: Class of parasitic flukes consisting of three subclasses, Monogenea, Aspidogastrea, and Digenea. The digenetic trematodes are the only ones found in man. They are endoparasites and require two hosts to complete their life cycle.