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Skin

Skin is the largest organ of human body. The surface area of skin is 1.7sq.m. and it constitutes 16-20% of total body weight.
 

Human skin is of two types:

  • Glabrous skin (non-hairy) e.g. Palms & Solesa
  • Non Glabrous (hair bearing)
  • It varies in thickness in different areas.
  • Thickest skin: on palms of hand and soles of feet
  • Thinnest and delicate on upper eyelids & under eyes.

http://upload.wikimedia.org/wikipedia/commons/thumb/e/e1/Skin_layers.svg/800px-Skin_layers.svg.png

 

Structure of Skin

Skin is divided into 3 basic layers-

  1. Epidermis
  2. Dermis
  3. Subcutaneous layer





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