anatomy

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Anonymous
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190323
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anatomy
Updated:
2012-12-20 16:08:41
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chapter
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semester review
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  1. Functions of integumentary system
    • 1. protection:biological, physical, and chemical
    • 2. blood reservoir
    • 3. excretion
    • 4. body temp
    • 5. cutaneous sensations
    • 6.metabolic functions
  2. Regions of skin?
    • epidermis
    • dermis
    • hypodermis
  3. -dead
    -most outer layer
    -avascular
    epidermis
  4. -middle layer
    -dense irreg. tissue
    -vascular
    dermis
  5. -superficial fascia
    -deepest layer
    -adipose tissue
    -absorbs shock
    hypodermis
  6. Layers of skin? from deepest to superficial
    • 1. basale
    • 2.spinosum
    • 3.granulosum
    • 4. lucidum
    • 5. corneum
  7. -deepest layer
    -rapid regeneration
    -some melanocytes
    basale
  8. -prekeratin
    -melanin granules
    spinosum
  9. - 3 to 5 layers thick
    - flat
    - granules of keratin
    granulosum
  10. -only in thick skin
    -superficial to granulosum
    lucidum
  11. -20 to 30 rows
    -waterproof
    -only keratinocytes
    -protect from abrasion and biological enemies
    corneum
  12. -yellow to red
    -brown to black
    -produced in melanocytes
    melanin
  13. -yellow to organe
    -palms and soles of feet
    carotene
  14. pinkish hue to skin
    hemoglobin
  15. -red skin color
    - inflammation
    -fevers
    - high b.p
    erythema
  16. -white
    -low b.p
    -ill
    -blood vessles are contricted
    pallor
  17. -yellow
    jaundice
  18. blue
    cyanosis
  19. two layers of dermis
    • 1. papillary
    • 2. reticular
  20. -areolar C.T
    -blood vessels
    -capillary loops
    -receptors
    papillary
  21. -collagen fibers--> strength
    -leather
    reticular
  22. 2 types of Sudoriferous glands? (sweat)
    • 1 eccrine
    • 2. apocrine
  23. -palms, soles, and forehead
    -thermoregulation
    eccrine
  24. -thick sweat
    -axillary
    -body odor
    apocrine
  25. Specialized glands of apocrine?
    • 1. ceruminous glands
    • 2. mammary glands
  26. -oil from hair follicles
    -wide distribution
    -active at puberty
    sebaceous (oil) glands
  27. Alerts body to insects
    guards scalp from trauma
    dead keratinized cells
    hair
  28. pale, fine hair, female adults and children
    vellus
  29. eyebrow hair
    terminal
  30. hair thinning
    alopecia
  31. -hard keratin
    -part of epidermis
    nail
  32. Risk factors to skin cancer?
    • over exposure to UV light
    • frequent skin irritations
  33. -stratum basale cells
    -in hypodermis
    basal cell carcinoma
  34. -kertinocytes of stratum
    -scalp, ears, lower lip
    squamous cell carcinoma
  35. -melanocytes
    -highly metastisize
    melanoma
  36. What to look for?
    • 1.asymetrical
    • 2.border
    • 3.color
    • 4.diameter
    • 5.elevation
  37. -tissue damage
    -denatured protein
    -dehydrates
    -electrolyte imbalance
    burns
  38. Burns are critical if?
    • - more than 25% percent of body has 2nd degree
    • -more than 10% of body has 3rd degree
    • - if the face, hands and feet get 3rd degree burns
  39. -burn to the epidermis only
    -pain
    -edema
    1st degree
  40. -epidermis and part of dermis is burned
    -blisters
    2nd degreec
  41. -no pain
    -no nerve endings
    -skin grafting
    -all layers are damaged
    3rd degree

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