The Skin

Published on 4th April 2018

The Skin

FUNCTION

  • Protection 
  • Heat Regulation 
  • Synthesis of Vitamin D 
  • Secretion 
  • Elimination 
  • Sensation 

 

ANATOMY – 3 layers

  • Epidermis  
  • Dermis 
  • Subcutaneous 

THE EPIDERMIS – 5 layers

  • Stratum germinativum – basal layer 
  • Stratum spinosum – prickle cell layer 
  • Stratum granulosum – granular layer 
  • Stratum lucidum – clear layer 
  • Stratum corneum – cornified/horny

THE DERMIS – 2 layers

  • Papillary 
  • Reticular 

 
SUBCUTANEOUS

Mainly adipose and areolar tissue

 
THE GLANDS OF THE SKIN

  • Sebaceous 
  • Sweat: Eccrine or Apocrine


 
SENSORY RECEPTORS

 There are many types of sensory receptors - pain, temperature, light touch 
and pressure – and they vary in numbers in different areas of the body

 

THE HAIR

  • Protection 
  • Warmth 
  • Defence

 

MELANIN

A pigment produced by melanocytes in the epidermis, which acts as a 
protection against the harmful effects of the sun 

 

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