MECHANICAL FACTORS

MECHANICAL FACTORS - MECHANICALFACTORS 1..,the...

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MECHANICAL FACTORS 1. S KIN  provides an effective barrier against the entry of microbes. It consists of two layers, the  outer epidermis (epithelial tissue)  and the inner dermis (connective tissue). The epidermis is  made up of layers of epithelial cells in continuous sheets, tightly connected to each other. The  surface layers are dead cells filled with the protein keratin, which makes the layer tough and  relatively waterproof. The surface of intact skin is rarely entered by microbes.    However, breaks in the skin or just excessive moistness in an area over time may allow microbes  to penetrate into deeper tissues. Microbes most likely to take advantage of this are the  staphylococci that inhabit the skin and associated glands. Fungus infections may also occur.   
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This note was uploaded on 01/23/2012 for the course MCB MCB2010 taught by Professor Smith during the Fall '09 term at Broward College.

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MECHANICAL FACTORS - MECHANICALFACTORS 1..,the...

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