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.
Structure of Skin
Skin is divided into 3 basic layers-
- Subcutaneous layer