Which of the following exists as yeast at 37deg and hyphae at 25deg?
(A) Histoplasma capsulatum (B) Sporothrix globosa (C) Candida albicans (D) Cryptococcus neoformans
(A) Dimorphic fungi: They exist as molds (hyphal form) in the environment at ambient temperature (25deg C) and as yeasts in human tissues at body temperature (37deg C). Some medically impoant dimorphic fungi are: Histoplasma capsulatum Blastomyces dermatitidis Coccidioides immitis Paracoccidioides brasiliensis Penicillium marneffei Sporothrix schenckii