Body Systems - Integumentary

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  1. Functions of the Integumentary System
    • Protects against infection and other "invaders" (e.g. radiation)
    • Assists with prevention of dehydration
    • Controls body temperature
    • Receives sensory information
    • Eliminates waste products
    • Produces Vitamin D
  2. Skin
    largest organ; external covering of the body
  3. Epidermis
    the surface layer of the skin that contains strata (sublayers), melanin (pigment giving the skin its color), and keratin ( protein that thickens skin and makes skin waterproof)
  4. Dermis
    the deeper layer of the skin that contains nerves, blood vessels, collagen and other skin structures or appendages
  5. Collagen
    fibrous protein found in the dermis, connective tissues, tendons and ligaments. It is sometimes referred to as the body's glue, providing strength and flexibilty
  6. sweat glands
    coiled tubes located in the dermis that produce and transport seat to help regulate body temperature and remove waste
  7. ceruminous glands
    structures located in the ear that secrete cerumen (earwax) for protection
  8. sebaceous glands
    structures connected to hair follicles located in the dermis that secrete sebum to lubricate skin and hair
  9. hair
    structures composed primarily of dead keratinized tissue that cover most of the body
  10. nails
    hard, keratinized structures located on tips of fingers and toes
  11. subcutaneous tissue
    layer of tissue below the dermis composed of adipose and elastic fibers that connects the dermis to muscle surfaces
  12. Superficial or first degree burn
    involves the epidermis; has a red appearance with minimal or no edema
  13. Partial thickness or second degree burn
    involves the epidermis and part of the dermis; has a blistered red appearance with edema
  14. Full thickness or third degree burn
    involves the epidermis, entire dermis, and often the underlying tissues; has a pale white or charred appearance with broken skin and edema
  15. Basal cell carcinoma
    malignant disease of the basal cell layer of skin
  16. Squamous cell carcinoma
    malignant disease of the squamous cell layer of skin; more likely to metastasize than basal cell
  17. Melanoma
    highly malignant nevus (mole)
  18. Abrasion
  19. Acne
    inflammation of sebaceous glands
  20. Albinism
    abnormal absence of pigment in skin, hair, and eyes
  21. Alopecia
  22. Avulsion
    tearing away from a body structure
  23. Cyst
    a sac containing a liquid
  24. Decubitus
    bedsore; ulceration resulting from pressure and poor circulation
  25. Dermatitis
    inflammation of the skin characterized by prutitus (itching), erythema (redness), and lesions
  26. Eczema
    form of dermatitis with a combination of vesicles and dry, leathery patches
  27. Eschar
  28. Excoriation
    abrasion (scrape) of the epidermis
  29. Fissure
    furrow, crack, groove, or crevice
  30. Furnucle
  31. Herpes Simplex
    cold sore or fever blister
  32. Herpes Zoster
    painful vesicles along peripheral nerve tractscaused by the herpes zoster virus, which also causes varicella
  33. Impetigo
    bacterial infection, usually around the mouth and nose, caused by staphylococci pr streptococci; dry to crusty vesicles
  34. Lesion
    abnormal change in localized tissue caused by injury or disease
  35. Macule
    small spot or colored area (such as a freckle)
  36. Nevus (mole)
    raised congenital spot on the skin surface
  37. Papule
  38. Pediculosis
    infestation with lice
  39. Psoriasis
    chronic inflammatory ksin disease characterized by scaly red patches on body surface
  40. pustule
    pus or lymph filled vesicle
  41. Scleroderma
    disease causing thickened, rigid skin
  42. Tinea corporis
    ringworm; fungal infection
  43. Tinea Pedis
    athlete's foot; fungal infection
  44. Ulcer
    open lesion on the skin or mucous membrane
  45. Urticaria
  46. Verruca
  47. Vesicle
    blister like sac on the skin
  48. Vitiligo
    skin disease with white milky patches surrounded by normal pigmentation
  49. Wheal
    round, elevated skin ledion with white center and red periphery
Card Set
Body Systems - Integumentary
Review for AAMA exam A and P
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