PetriKey

Fungus

Dermatophytes

Keratin-loving molds

der-MAT-oh-fites

fungusmoldkeratinskinhyphae

High-yield clue

Keratinized tissue + KOH hyphae vocabulary + tinea naming.

Overview

A group of keratin-associated molds used to teach tinea vocabulary, septate hyphae on KOH prep, and superficial fungal infection concepts.

Classification

  • Fungus
  • Mold group
  • Keratin-associated

Lab & identification clues

  • KOH prep vocabulary
  • Septate hyphae concept
  • Culture/species terms in advanced courses

Associations

  • Tinea corporis/pedis/capitis vocabulary
  • Skin/hair/nail coursework associations
  • Superficial mycosis concept

Commonly confused with

  • Candida albicans
  • Aspergillus fumigatus
  • Malassezia vocabulary

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.

OpenStax: Microbiology 2e organism classification foundationssourceNCBI Bookshelf: Medical Microbiology organism chapterssourceCDC: CDC disease and public-health topic pagessource