title: Granulomatous peritonitis in a fish caused by a flagellated protozoan.
mesh_terms: D000818:Animals; D056890:Eukaryota / Q000302:isolation & purification*; D005393:Fish Diseases / Q000209:etiology* / Q000473:pathology; D005399:Fishes; D006099:Granuloma / Q000209:etiology / Q000473:pathology / Q000662:veterinary; D007422:Intestines / Q000473:pathology; D010538:Peritonitis / Q000209:etiology / Q000473:pathology / Q000662:veterinary*; D013045:Species Specificity