[subclass of protozoans commonly parasitic in epithelial cells of the intestinal tract but also found in the liver and other organs; organisms are found in both vertebrates and higher invertebrates and comprise three orders: Eimeriida, Eucoccidiida and Lankesterellidae. ( CSP )]
UMLS (CSP) C0009182 Relation/PAR: Apicomplexa
Relation/CHD: Toxoplasma
Cyclospora
Cryptosporidium