THE SKIN

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Author:
wardkc1
ID:
300743
Filename:
THE SKIN
Updated:
2015-04-13 23:40:56
Tags:
Skin 16
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Description:
The Skin
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  1. How many fuctions does the skin have?
    Four
  2. What are functions of the skins?
    Protective covering, Secretions, Receptors, Maintain body temperature.
  3. Sebaceous glands.
    Produce sebum.
  4. Sweat glands.
    Produce Sweat.
  5. Sebum.
    An oily secretion. Lubricates the surface of the skin.
  6. Sweat.
    A water secretion. Cools the body as it evaporates from the skin surface.
  7. Epidermis.
    Outermost layer of the skin.
  8. What are the three layers of the skin.
    Epidermis, Dermis, Subcutaneous.
  9. Dermis.
    Dense, fibrous, connective tissue layer; containing collagen.
  10. Subcutaneous layer.
    Thick, fat-containing tissue.
  11. Squamous epithelium.
    Flat, scale-like cell composing the epidermis.
  12. Collagen.
    Is a fibrous protein material found in bone, cartilage, tendons, and ligaments, as well as in the skin.
  13. Adipocytes.
    Fat cell.
  14. Keratin.
    Hard protein material found in the epidermis, hair and nails. Keratin means horn and commonly is found in the horns of animals.
  15. Hair follicles.
    Sacs within which each hair fiber grows.
  16. Accessory structures of the skin.
    Hair, nails, glands.
  17. Nails.
    Are hard keratin plates covering the dorsal surface of the last bone of each toe and finger.
  18. Lunula.
    Is a semilunar (half-moon-shaped) whitish region at the base of the nail plate.
  19. Cuticle.
    A narrow band of epidermis (layer of keratin), is at the base and sides of the nail plate.
  20. Paronychium.
    The soft tissue surrounding the nail border.
  21. Onycholysis.
    The loosening of the nail plate with separation from the nail bed.
  22. Integumentary system.
    The skin and its accessory structures such as hair and nails.

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