A & P Chap 5

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Author:
o904halo
ID:
28479
Filename:
A & P Chap 5
Updated:
2010-07-30 22:44:16
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Integumentary System
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Description:
skin
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  1. composed of stratified squamous keratinized epithelial tissue
    epidermis
  2. composed of loose fibrous connective tissue
    dermis
  3. consists of loose areolar connective tissue interspersed with a substantial proportion of adipose tissue "hypodermis"
    subcanteous
  4. form a minute network of small branches in the superior layers of the dermis
    lymphatic vessels
  5. melanin synthesizing cells
    melanocytes
  6. mobile phagocytic cells that phagocytes bacteria that enter thru breaks in the skin, also attack cancer cells
    langerhans cells
  7. epithelium filled with small particles of sebaceous material called sebum
  8. serves as an excellent medium for growth of bacteria
    sebum
  9. smooth muscle attached to each hair follicle that causes hair to stand on end
    arrector pili
  10. secretes ear wax
    ceruminous gland
  11. sweat gland that is located all over the body and plays a role in maintaining normal body temp
    eccrine
  12. sweat gland that is located in the axillary and genital region, activated during times of stress, exercise and emotional events
    apocrine
  13. affects only the dermis, signs of swelling, erythema, pain and no blistering
    first degree burns
  14. involves the dermis and shows signs of extreme pain, blisters and swelling
    2nd degree burning
  15. involves all layers of the skin and upper portion of subcutaneous tissue layer, shows signs of shock, possible pain and dehydration
    3rd degree
  16. black in color and composed primarily collagen, left by destruction of layers
    eschar
  17. involves muscles, tendons and possibly bone "char burns"
    4th degree
  18. method of determining how much of the surface of body has been burned
    rule of nines
  19. 4 cutaneous sensations
    • touch pressure
    • pain
    • warmth
    • cold
  20. receptors that respond to tempature
    thermoceptors
  21. receptors that respond to painful irritants
    nociceptors
  22. receptors that respond to pressure or stretching
    mechanoreceptors
  23. nerve endings that have no Schwann cells
    free nerve endings
  24. nerve endings that contain Schwann cells
    encapsulated

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