The Integumentary System

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The Integumentary System
2012-08-30 06:20:29
Chapter 25 Integumentary System

The Integumentary System
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  1. Bony prominences
    Parts of the body where there is very little fat between the bone and the skin, such as the ankles, heels, hips, and elbows
  2. Collagen
    A protein that supports connective tissue, such as that found in the dermis; loss of collagen contributes to the formation of wrinkles
  3. Cyanosis
    Blue or gray discoloration of the skin, lips, and nail beds; develops when the skin does not receive enough oxygen and is a sign of a respiratory or circulatory disorder
  4. Dermatitis
    A general term for inflammation of the skin
  5. Dermis
    The deepest layer of skin, where sensory receptors, blood vessels, nerves, glands, and hair follicles are found
  6. Eczema
    A type of chronic dermatitis that is usually accompanied by severe itching, scaling, and crusting of the surface of the skin
  7. Epidermis
    The outer layer of the skin
  8. Erythema
    Redness of the skin
  9. Excoriation
    An abrasion, or a scraping away of the surface of the skin; can be caused by trauma, chemicals, or burns
  10. Fissure
    A crack in the skin
  11. Flushing
    Redness of the skin
  12. Intentional wound
    A wound that is the result of a plannes surgical or medical intervention
  13. Jaundice
    A yellow discoloration of the skin and the whites of the eyes; usually associated with liver disorders
  14. Keratin
    A substance that causes mature skin cells to thicken and become resistant to water
  15. Lesion
    A general term used to describe any break in the skin
  16. Macule
    A small, flat, reddened skin lesion
  17. Melanin
    A dark pigment that gives skin, hair, and eyes color
  18. Necrosis
    Tissue death as a result of a lack of oxygen
  19. Pallor
    Paleness of the skin
  20. Papule
    A small, raised, firm, skin lesion that can easily be felt by passing your fingers lightly over the affected area
  21. Pressure points
    Bony areas where pressure ulcers are most likely to form, such as the heels, knees, hips, toes, elbows, shoulder blades, ears, the back of the head, and along the spine
  22. Pustule
    A small, blister-like lesion that contains pus, a thick, yellowish fluid that is a sign of infection
  23. Rash
    A group of skin lesions
  24. Sebum
    An oily substance secreted by glands in the skin that lubricates the skin and helps to prevent it from drying out
  25. Shingles (herpes zoster)
    A disorder, caused by the same virus that causes chickenpox, that is most frequently seen in people older than 65 years and is characterized by a blistering, painful rash that typically follows the pathway of a nerve
  26. Subcutaneous tissue
    The layer of fat that supports the dermis (the deepest layer of the skin)
  27. Ulcer
    A shallow crater on the surface of the skin that is formed when the tissue dies and is shed
  28. Unintentional wound
    An unexpected injury that usually results from some type of trauma
  29. Vesicle
    A small, blister-like skin lesion that contains fluid
  30. Wound
    An injury that results in a break in the skin (and usually the underlying tissues as well)