pythiosis, non-human animal MONDO:0025510 MESH:D058968 A granulomatous disease caused by the aquatic organism pythium insidiosum and occurring primarily in horses, cattle, dogs, cats, and fishes. It is classified into three forms: ocular, cutaneous, and arterial. infectious disease, non-human animal Teleostei Canis lupus familiaris Felis catus Equus caballus Bos taurus