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Anatomy- Parts

  1. What are the 4 parts of the Integumentary system?
    • 1. Epidermis
    • 2. Basement Membrane
    • 3. Dermis
    • 4. Subcutaneous (hypodermis)

    Others: Calluses & Corns and Pressure Ulcer
  2. Basement Membrane

    (Def)
    Connects epidermis and dermis
  3. Dermis
    (Def)

    A.
    B.
    Inner layer of connective tissue

    A. Dermal Papillae- Projections of dermis making an uneven edge between epi & dermis. From fingerprints

    B. Macrophages- Wandering "eater cells"
  4. Subcutaneous layer (hypodermis)

    (Def)
    Loose, adipose and connective tissues binding skin (dermis) to underlying tissue
  5. Other: Calluses & Corns

    (Def)
    Increased mitosis where skin rubs; results in thickened areas
  6. Other: Pressure Ulcer "bed sores"

    (Def)
    Blood flow to skin interrupted by pressure from maintaining one position too long. Cells die, tissues break down (necrosis)
  7. Epidermis
    (Def)
    Outer layer of stratified squamous epithelium
  8. A. Epidermis is...
    Avascular
  9. B. Stratum Basale
    Layer of cells that divide
  10. C. Keratinization
    Older cells pushed up from stratum basal and harden as cells die and percentage of keratin increase.
  11. D. Stratum Corneum
    Top layer of dead keratinized cells
  12. E. Melanin
    Dark pigment that absorbs UV light. Produced by melanocytes
Author
GoBroncos
ID
356260
Card Set
Anatomy- Parts
Description
Updated

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