Definition: A group (or phylum) of flagellated, anaerobic EUKARYOTES that are endosymbionts of animals. They lack mitochondria but contain small energy-producing hydrogenosomes. The group is comprised of two major classes: HYPERMASTIGIA and TRICHOMONADIDA.
infection; coordinate IM with PROTOZOAN INFECTIONS (IM); coordinate with specific protozoan terms (ANTIGENS, PROTOZOAN, etc) if pertinent
ExamplesHypermastigia; Trichomonadida
Other names Parabasalid; Parabasalids; Parabasalia
