integumentary.txt

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Author:
Johnemt
ID:
234412
Filename:
integumentary.txt
Updated:
2013-09-12 01:30:03
Tags:
iunteg
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integ
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  1. what is in stratum basale
    • keratinocytes
    • melanocytes
    • tactile cells - touch
  2. what is in stratum spinosum?
    • keratinocytes attatched by desmosomes
    • epidermal dendritic cells
  3. what is in stratum granulosum?
    • 3-5 layers of keratinocytes
    • nucleus and organelles start breaking up
  4. what is in stratum lucidum?
    • 2-3 layers of flat translucent cells
    • only in thick skin
  5. what is in the stratum corneum?
    • most superficial
    • 20-30 corneocytes
    • dead skin cells
  6. what is in the papillary layer?
    • areolar CT
    • dermal papillae interlock with epidermis
    • contains sense receptors
  7. what is in the reticular layer?
    • dense irregular CT
    • very vasculer
    • highly innervated
  8. what are the sensory receptors?
    • meissner's corpuscles
    • pacinian corpuscles
    • free nerve endings
  9. what do the meisnner's corpuscles do?
    • touch
    • papillary region
  10. what do the pacinian corpuscles do?
    • pressure
    • reticular region and h ypodermis
  11. what do the free nerve endings do?
    • temperature
    • pain
    • epidermis and dermis
  12. what does the ceruminous secrete?
    • cerumin (wax)
    • in the ear
  13. what does sudoriferous secrete?
    sweat

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