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Medical Microbiology : The Big Picture
The skin, the mucous membrans (e.g., gastrointestinal, respiratory, and urogenital tracts), and other membranous surfaces (e.g., eye) form a barrier that protects the body daily from microbial infectious. The skin is the largest of these barriers and is the largest organ of the body. It provides a physical, chemical, and mechanical barrirer that protects the body from dehydration, helps maintain proper body temperature, and protects the body from infectious agents.rn<br>rn<br>rnThe skin consists of two layers, the epidermis and the dermis. The epidermis consists of an outer of cornified keratynocites called the stratum corneum. The most common fungal infections of the skin, the dermatophytic infectious (e.g., tinea (ringworm)), are seen on and in this layer.
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