Chapter 5: Part 2

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Anonymous
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92935
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Chapter 5: Part 2
Updated:
2011-07-04 16:45:27
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Part 2 Integumentary
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  1. Stratum Spinosum is the ___________ layer.
    Prickly
  2. Cells contain a weblike system of intermediate prekeratin filaments attached to desmosomes in stratum __________.
    Spinosum
  3. Stratum spinosum contains abundant
    ____________ granules and ___________ cells.
    melanin, dentritic
  4. Stratum granulosum is the ___________ layer.
    granular
  5. How many cell layers thick is stratum granulosum?
    3-5 cells
  6. What do the cells do in stratum granulosum?
    flatten
  7. What accumulates in stratum granulosum?
    keratohyaline and lamellated granules
  8. Stratum Lucidem is the ______ layer.
    clear
  9. What layer is found in only thick skin?
    Stratum Lucidem
  10. Stratum Ludicem is a thin, _________ band superficial to the stratum granulosum.
    transparent
  11. Stratum lucidem is made up of what?
    flat, dead keratinocytes
  12. The stratum corneum is the ________ layer.
    horny
  13. How many layers thick is the stratum corneum?
    20-30 layers
  14. Dead, flattened, keratanized membranous sacs describes what layer?
    Stratum Corneum
  15. Stratum Corneum is __________ of the epidermal thickness.
    3/4
  16. What is the function of stratum corneum?
    protects from abrasion and penetration, waterproofs, and is a barrier against biological, chemical, and physical assaults
  17. What kind of tissue makes up the dermis?
    strong, flexible connective tissue
  18. What cells makes up the dermis?
    fibroblasts, macrophages, and occasionally mast cells and white blood cells
  19. Two layers of the dermis are __________ and ____________.
    papillary and reticular
  20. The dermis is __________.
    aevascular
  21. What makes up the papillary layer of the dermis?
    areolar connective tissue with collagen, elastic fibers, and blood vessels
  22. What does dermal papillae contain?
    • capillary loops
    • meissnars corpuscles
    • free nerve endings
  23. Reticular layer makes up __% of the thickness of dermis.
    80%
  24. __________ fibers provide strength and resiliency.
    collagen
  25. ________ fibers provide stretch-recoil properties.
    elastic
  26. What makes up the reticular layer?
    collagen & elastic fibers
  27. Epidermal ridges lie atop deeper dermal papillary ridges to from friction ridges of ___________.
    fingerprints
  28. Collagen fibers arranged in bundles form ________ ________.
    cleavage lines
  29. Cleavage lines are also known as ________ lines.
    tension
  30. Incisions made _______ to cleavage lines heal more readily.
    parallel
  31. What are the 2 skin markings?
    Friction ridges & cleavage lines

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