Asked by: Bernard Vituck
asked in category: General Last Updated: 18th March, 2020

What is anatomy and physiology of the skin?

The skin is composed of three layers: the epidermis, the dermis, and subcutaneous tissue (Kanitakis, 2002). The outer most level, the epidermis, consists of a specific constellation of cells known as keratinocytes, which function to synthesize keratin, a long, threadlike protein with a protective role.

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In respect to this, what are the function of the skin?

The skin1 is one of the largest organs in the body in surface area and weight. The skin consists of two layers: the epidermis and the dermis. Beneath the dermis lies the hypodermis or subcutaneous fatty tissue. The skin has three main functions: protection, regulation and sensation.

Likewise, what is skin made up of? Skin is made up of three layers. The outermost is the epidermis. This consists mainly of cells called keratinocytes, made from the tough protein keratin (also the material in hair and nails). Keratinocytes form several layers that constantly grow outwards as the exterior cells die and flake off.

In this way, what are the 5 layers of the epidermis and their functions?

Layers of the Epidermis. The epidermis of thick skin has five layers: stratum basale, stratum spinosum, stratum granulosum, stratum lucidum, and stratum corneum. The stratum basale is a single layer of cells primarily made of basal cells.

What are the 7 layers of skin called?

The skin has up to seven layers of ectodermal tissue and guards the underlying muscles, bones, ligaments and internal organs.


  • Stratum corneum.
  • Stratum lucidum.
  • Stratum granulosum.
  • Stratum spinosum.
  • Stratum basale (also called "stratum germinativum")

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