entomophthoromycosis basidiobolae, a chronic infection caused by Basidiobolus ranarum, a filamentous fungus, in which gradually enlarging granulomas form in the subcutaneous tissues of the arms, chest, and trunk. Multiple purulent ulcers may develop. The infection is seen in children and adolescents in tropical areas of Indonesia, India, and Africa. Also called subcutaneous chronic zygomycosis.