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Microbiology · Chapter 15

Skin & Wound Infections: How Deep?

Four infections look different on the surface because they invade different depths of the skin — and depth decides how urgently you act. Tap each one to see how far it reaches.

A cross-section of skin

Depth reached
Skin layers run shallow → deep top to bottom. The deeper an infection tracks, the more serious it tends to be.
Four skin & wound infectionstap one to begin
Same skin, different depthsSkin infections are grouped by the layer they reach: the outer epidermis, the dermis, the subcutaneous fat, or the fascia below it. Tap a condition to highlight where it lives and what it means at the bedside.