Physiology and Histology of the skin

  1. the study of the structure and composition of the skin tissue
    skin histology
  2. the study of the functions of living organisms
    physiology
  3. the skin is also refererred to as the:
    integumentary system
  4. the skin is thickest on
    palms of hands and soles of feet
  5. skin is thinnest on
    eyelids
  6. healthy skin is:
    • slightly moist
    • soft
    • smooth
    • somewhat acidic
  7. skin on the average adult weighs _________ pounde and averages an area of ________ Square Feet
    • 8-10 pounds
    • 22 square feet
  8. each inch of skin contains approximately:
    millions of _______
    15 feet of ________
    12 feet of ________
    650 _______
    100 __________
    65 _________
    1,300 _________
    155 ________
    12 ____________
    • millions of cells
    • 15 feet of blood vessels
    • 12 feet of nerves
    • 650 sweat glands
    • 100 oil glands
    • 65 hairs
    • 1,300 nerve endings
    • 155 pressure receptors
    • 12 cold and heat receptors
  9. the six primary functions of skin are:
    • protection
    • sensation
    • heat regulation
    • excretion
    • secretion
    • absorption
  10. ____________ on the epidermis gives protection from external factors
    Sebum
  11. The ____________ is the protective barrier made up of sebum, lipids, sweat and water that form a hydrolipidic film
    acid mantle
  12. The acid mantle has an average pH of _______
    5.5
  13. The barrier function protects us from irritation and intercellular __________ (TEWL)
    transepidermal water loss
  14. __________ are substances that contribute to the barrier function of the epidermis
    Lipids
  15. _________ make up the intercellular cement between epidermal layers
    Lipids
  16. _________ is the pigment that protects us from the sun
    Melanin
  17. Sweat glands are also known as
    Sudoriferous glands
  18. Oils are produced by the
    Sebaceous Glands
  19. The epidermis is composed of 5 layers
    • Stratum Corneum
    • Stratum Lucidum
    • Stratum Granulosum
    • Stratum Spinosum
    • Stratum Germinativum

    "Col. Luke Gave the Seargent Germs"
  20. Stratum corneum aka:
    the horny cells
  21. stratum lucidum aka
    the clear cells
  22. stratum granulosum aka
    the grainy cells
  23. stratum spinosum aka
    the spiny cells
  24. stratum germinativum aka
    the germination or growth layer
  25. the dermis consists of 2 layers
    Papillary layer and reticular layer
  26. dermal papille is aka
    finger prints
  27. below the reticular layer is the
    subcutaneous layer
  28. a nail is aka
    onyx
  29. The body produces 2 types of melanin __________ which is red/yellow in color and _________ which is dark brown to black in color
    • pheomelanin
    • eumelanin
  30. _______ and _________ are the fluids that nourish the skin
    Blood and Lymph
  31. cells need these important elements to survive:
    • nourishment
    • protection
    • function
    • proliferation
  32. free radicals are:
    atoms or molecules with unpaired electrons
  33. UVA rays are the:
    aging rays
  34. UVB rays are the:
    burning rays
  35. Couperose or telangiectasia skin is a result of:
    the dilation of the capillary walls
Author
erin579
ID
27668
Card Set
Physiology and Histology of the skin
Description
Chapter 9 review cards
Updated