His·to·plas·ma cap·su·la·tum (h s t -pl z m kps-l tm)n. A parasitic fungus causing histoplasmosis in humans and other mammals. |
Histoplasma capsulatum
Etymology: Gk, histos + plasma + L, capsula, little box
a dimorphic fungal organism that is a single budding yeast at body temperature and a mold at room temperature. It is the causative organism in histoplasmosis, common in the Mississippi River Valley. The fungus, spread by airborne spores from soil contaminated with excreta from birds or infected bats, acts as a parasite on the cells of the reticuloendothelial system. See also histoplasmosis.
Histoplasma
a genus of fungi belonging to the phylum Ascomycota.
Histoplasma capsulatum
a species of pathogenic fungi that cause histoplasmosis. The fungi appear in tissues as small, single oval bodies.
Histoplasma capsulatum var. farciminosum
phylogenically diverse fungi within the species H. capsulatum. Called also H. farciminosum. Causes epizootic lymphangitis of horses.
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