The Histology Guide

Skin: Functions

Skin has a number of functions:

  1. PROTECTION: it protects against UV light, mechanical, thermal and chemical stresses, dehydration and invasion by micro-organisms.
  2. SENSATION: skin has receptors that sense touch, pressure, pain and temperature.
  3. THERMOREGULATION: various features of the skin are involved in regulating temperature of the body. For example sweat glands, hair, and adipose tissue.
  4. METABOLIC FUNCTIONS: subcutaneous adipose tissue is involved in production of vitamin D, and triglycerides.