Fungus
Histoplasma capsulatum
Dimorphic fungus with macrophage clue
his-toh-PLAZ-muh kap-soo-LAH-tum
High-yield clue
Dimorphic fungus + intracellular macrophage yeast vocabulary.
Overview
A dimorphic fungus used to teach intracellular yeast in macrophages, geographic exposure vocabulary, and granuloma concepts.
Classification
- Fungus
- Dimorphic fungus
- Intracellular yeast concept
Lab & identification clues
- Macrophage-associated yeast vocabulary
- Antigen test concept
- Dimorphism concept
Associations
- Ohio/Mississippi River Valley vocabulary
- Bird/bat-dropping exposure framing
- Granulomatous disease vocabulary
Commonly confused with
- Blastomyces dermatitidis
- Cryptococcus neoformans
Your notes
Original student-study summary. Sources checked: OpenStax Microbiology 2e, NCBI Bookshelf Medical Microbiology, and CDC topic pages where applicable; reviewed 2026-06. Educational only; no diagnosis, treatment, dosing, or specimen-handling guidance.