/his'toh plaz moh"sis/ , n. Pathol.
an infectious disease of the reticuloendothelial system, caused by the fungus Histoplasma capsulatum and characterized by fever, anemia, and emaciation.
[ 1940-45; Histoplasm ( a ) name of the genus (see HISTO-, -PLASM) + -osis -OSIS ]