1. dermatology
    the study of the skin, diseases of the skin, and their treatments
  2. epidermis
    • outermost layer of skin
    • contains many dead cells
  3. dermis
    • middle layer of skin
    • contains accessory organs - sweat and oil glands
  4. subcutaneous tissue
    • deepest layer of skin
    • contains fat cells and accessory organs
  5. accessory organs in the skin
    • hair
    • nails
    • sweat glands
    • oil glands
  6. sudoriferous gland
    sweat gland
  7. sebaceous gland
    oil gland
  8. skin functions
    • protection
    • secretion
    • sensation
    • thermal regulation
  9. skin function - protection
    protection from fluid loss, bacterial invasion, thermal injury, traumatic injury (puncture)
  10. skin function - secretion
    secretion by sweat and oil glands
  11. skin function - sensation
    sensation through nerve receptors
  12. skin function - thermal regulation
    thermal regulation via sweating and constriction/dilation of blood vessels
  13. adip/o, lip/o, steat/o
  14. adipocyte
    fat cell
  15. steatorrhea
    fat in fecal material
  16. cutane/o, dermat/o, derm/o
  17. cutaneous
    pertaining to skin
  18. hypodermic
    under the skin
  19. hidr/o, sudor/o
  20. hidratenitis
    inflammation of a sweat gland
  21. sudoresis, diaphoresis, hyperhidrosis
    profuse sweating
  22. kerat/o
    thickened/hard skin
  23. actinic keratosis
    abnormal thickening of the skin due to chronic sun exposure, a precancerous condition
  24. myc/o
  25. dermatomycosis
    fungal skin infection
  26. onych/o
  27. onychomalacia
    softening of the nails
  28. eponychium
  29. lunula
    half moon shaped white portion at the base of nails
  30. pil/o, trich/o
  31. trichomycosis
    fungal infection of the hair or hair follicle
  32. seb/o
    oils produced by skin
  33. seborrheic dermatitis
    inflammation of the skin causing flaking and increased oil production (dandruff)
  34. xer/o
  35. xeroderma
    dry skin
  36. squam/o
  37. squamous cell carcinoma
    • malignant tumor of epithelial skin cells
    • 2nd most common skin cancer
  38. basal cell carcinoma
    • malignant tumor of basal layer of epithelial cells
    • most common skin cancer / least dangerous
  39. Kaposi sarcoma
    skin cancer found in AIDS patients
  40. AIDS
    acquired immuno deficiency syndrome
  41. HIV
    human immunodeficiency virus
  42. melanoma
    • cancer of the melanocytes
    • 3rd most common skin cancer / most dangerous
  43. melanocytes
    cells that produce the pigment melanin
  44. melatonin
    hormone produced by the pineal gland in the brain that helps regulate circadian cycles
  45. ABCs of skin cancer
    • Assymetry
    • Border
    • Color
    • Diameter
    • Elevation
  46. vesicle
    a small blister
  47. pruritis
  48. skin hemorrhages
    • ecchymosis
    • contusion
    • petechia
  49. ecchymosis
    • a type of skin hemorrhage
    • a large bruise where blood pools under the skin
  50. contusion
    • a skin hemorrhage
    • a bruise
  51. petechia
    • a skin hemorrhage
    • a very small breakage of single capillaries seen in leukemia patients
  52. diagnostic ultrasound
    uses soundwaves to create an image of a fetus, heart, or bladder
  53. sonogram / echogram
    images produced by ultrasound
  54. plain / x-ray films
    passing a beam of high energy photons (x-rays) through the patient to expose film behind them
  55. radiopaque
    does not let many x-rays pass through, ie bone and metal
  56. radiolucent
    lets many x-rays pass through, ie soft tissues
  57. CT scan
    • computer tomography
    • uses x-rays passed through patient in a 360 degree arc to produce images on different planes
  58. MRI
    • magnetic resonance imaging
    • strong magnetic field aligns H atoms in one direction and when the field is removed they realign and give off radio waves to produce an image via number of H atoms (water content)
Card Set
Medical terminology terms - week 3