Trichophyton simii

Also found in: Dictionary, Thesaurus.

Tri·choph·y·ton si·m'i·i

a zoophilic species of fungi that causes infection in rhesus monkeys, dogs, and humans; most cases of infection have had an origin in India.


a genus of fungi that may cause various infections of the skin, hair and nails. It utilizes keratin as a source of nourishment and is therefore localized in its pathogenicity to the skin and its appendages. The perfect state is in the genus Arthroderma. Called also Achorion.

Trichophyton cutaneum
an occasional cause of bovine mastitis.
Trichophyton equinum
causes ringworm in horses.
Trichophyton gallinae
now called Microsporum gallinae; the cause of favus in fowl.
Trichophyton megninii, Trichophyton rubrum, Trichophyton shoenleinii, Trichophyton tonsurans, Trichophyton violaceum
anthropophilic species which occasionally infect animals.
Trichophyton mentagrophytes (Trichophyton gypseum)
causes ringworm in horses, dogs and many other species. T. var erinacei occasionally causes ringworm in dogs and other species; the reservoir is the European hedgehog.
Trichophyton simii
causes ringworm in monkeys and poultry.
Trichophyton verrucosum
causes ringworm in cattle, sheep and goats.