EPIdermis

Card Set Information

Author:
Anonymous
ID:
5415
Filename:
EPIdermis
Updated:
2010-01-27 18:50:37
Tags:
epidermis
Folders:

Description:
integumentary
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  1. Stratum Basale (Melanocytes)
    • Deepest Layer
    • DERmis by Basal Membrane
    • Produces Melanin
  2. Stratum Corneum
    • Most Superficial Layer
    • Tough Layer of Dead Cells
    • Complete Keratinization
    • (Part with Words On it)
  3. Stratum Granulosum
    • Middle Layer
    • "Grainy"
    • Has Purple-staining keratohyalin granules
    • (Green Arrow)
  4. Stratum Lucidum - ("Lucid")
    • 2nd Most Superficial Layer
    • Found ONLY in thick Skin (Palms, Feet)
    • "Light" - Layer appears translucent (Fresh)
    • (Black Arrow)
  5. Stratum Spinosum
    • Numerous Cells 2nd Most Deep Layer
    • Appear Star-shaped or "Spiny"
    • Joined at junctions called DESMOSOMES
  6. Kertatin
    • Protein
    • Tough Material
    • Protects Lower Layers
  7. Epidermis
    • Upper Layer (Divided Into STRATA(UM))
    • NO Blood Vessels (but nourished by Dermis)
    • Keratinized Stratified Squamous Epithelium
  8. Melanocytes
    • Stratum Basale
    • Produce Melanin (Brown Pigments)
    • Protects S. Basale From Ultraviolet Light
    • Everyone Has same amount of MelanOCYTES -
    • but amount of MelanIN produced varies
  9. Desmosomes
    • Areas where the cells are joined at microscopic levels
    • in the Stratum Spinosum
    • Blue: Stratum Corneum
    • Black: Stratum Lucidum
    • Green: Stratum Granulosum
    • Light Blue: Stratum Spinosum
    • Red: Stratum Basale

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