Fungus
Coccidioides immitis/posadasii
Dimorphic fungus with spherules
kok-sid-ee-OY-deez
High-yield clue
Spherules with endospores + Southwest desert exposure vocabulary.
Overview
A dimorphic fungus group used to teach spherules with endospores, desert Southwest geography vocabulary, and pulmonary nodule comparison.
Classification
- Fungus
- Dimorphic fungus
- Spherule tissue form
Lab & identification clues
- Spherule/endospore morphology
- Serology vocabulary
- Culture hazard awareness without procedure details
Associations
- Valley fever vocabulary
- Pulmonary nodule/cavity terms
- Dissemination risk framing
Commonly confused with
- Histoplasma capsulatum
- Blastomyces dermatitidis
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.