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Biology / Unit 9   Bio 2059 short lesson, about 20 seconds

Fungal Human Pathogens: Mycosis Categories

Captions available

The idea

Cutaneous and systemic mycoses classify by depth of invasion; opportunistic instead names infections striking a weakened host.

In practice

Athlete's foot is cutaneous; histoplasmosis, entering the lungs, is systemic; candidiasis is opportunistic and can itself turn systemic.

Where people slip

Opportunistic classifies by host condition, not depth, and cuts across cutaneous and systemic — an opportunistic mycosis can itself be systemic.

Your place on the trail

Every lesson rests on earlier ones and opens later ones. Tap any to jump.

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