Anogenital ulcers caused by Calymmatobacterium granulomatis as distinguished from lymphogranuloma inguinale (see LYMPHOGRANULOMA VENEREUM) caused by CHLAMYDIA TRACHOMATIS. Diagnosis is made by demonstration of typical intracellular Donovan bodies in crushed-tissue smears.

A genus of bacteria causing GRANULOMA INGUINALE and other granulomatous lesions.

PHENOTHIAZINES with an amino group at the 3-position that are green crystals or powder. They are used as biological stains.

A relatively small nodular inflammatory lesion containing grouped mononuclear phagocytes, caused by infectious and noninfectious agents.