- leprosy, Hansen's disease - chronic granulomatous communicable disease occurring in tropical and subtropical regions; characterized by inflamed nodules beneath the skin and wasting of body parts; caused by the bacillus Mycobacterium leprae
--1 is a kind of infectious disease
--1 has parts: erythema nodosum leprosum, ENL
--1 has particulars: tuberculoid leprosy; lepromatous leprosy