- Weight: Our skin accounts for about 15% of our total body weight.
- Thickness: It is at its thinnest on the eyelids (about 0.5 mm) and reaches its maximum thickness on the palms of the hands and soles of the feet (up to 4 mm).
Basic Layers of the Skin
The skin is not just a covering we see from the outside; it is a complex structure consisting of three main layers: - Epidermis: The outermost layer. It provides a waterproof barrier and creates our skin tone.
- Dermis: The layer beneath the epidermis. It contains tough connective tissue, hair follicles, and sweat glands.
- Hypodermis (Subcutis): The deeper subcutaneous tissue made of fat and connective tissue, which provides insulation.
The Most common formula used to estimate Body Surface Area (BSA) is the Mosteller formula:
Did you know? If you could spread out an adult’s entire skin on a flat surface, it would cover enough space to fill a small bath mat or the top of a single bed!
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