integumentary system medterm ch.3

  1. Squamous Cell Carcinoma
    2nd most common form of nonmelanoma skin cancer after basal cell carcinoma.  When caught and treated early, it rarely causes further problems.  Untreated, SCC can grow large or metastasize, causing serious complications
  2. basal cell carcinoma
    the most common type of nonmelanoma skin cancer, is a cancerous tumor of the basal layer of the epidermis, or hair follicles.  Basal cell carcinoma is commonly caused by overexposure to sunlight.  Although basal cell carcinomas rarely invade distant structures of the body, they tend to recur- especially those that are larger than 2cm.
  3. corticosteroids
    anti-inflammatory agents that treat skin inflammation
  4. antipruritics
    reduce severe itching
  5. antifungals
    kill fungi that infect the skin
  6. antibiotics
    kill bacteria that cause skin infections
  7. dermabrasion
    removal of acne scars, nevi, tattoos, or fine wrinkles on the skin through the use of sandpaper, wire brushes, or other abrasive materials on the epidermal layer
  8. cutaneous laser
    any of several laser treatments employed for cosmetic and plastic surgery (cutane: skin; -ous: pertaining to)
  9. chemical peel
    use of chemicals to remove outer layers of skin to treat acne scarring and general keatoses as well as for cosmetic purposes to remove fine wrinkles on the face; also called chemabrasion
  10. skin resurfacing
    procedure that repairs damaged skin, acne scars, fine or deep wrinkles, or tatoos or improves skin tone irregularities through the use of topical chemicals, abrasion, or laser
  11. xenograft
    transplantation (dermis only) from a foreign donor (usually a pig) and transferred to a human; also called heterograft (xen/o: foreign, strange; -graft: transplantation)
  12. synthetic
    transplantation of artificial skin produced from collagen fibers arranged in a lattice pattern
  13. allograft
    transplantation of healthy tissue from one person to another person; also called homograft (allo: other differing from normal; -graft: transplantation)
  14. autograft
    transplantation of healthy tissue from one site to another site in the same individual (auto: self, own; -graft: transplantation)
  15. Mohs surgery
    surgical procedure used primarily to treat skin neoplasms in which tumor tissue fixed in place is removed layer by layer for microscopic examination until the entire tumor is removed
  16. I & D
    incision and drainage; incision of a lesion, such as an abscess, followed by the drainage of its contents
  17. fulguration
    tissue destruction by means of high-frequency electric current; also called electrodesiccation
  18. debridement
    removal of foreign material, damaged tissue, or cellular debris from a wound or burn to prevent infection and promote healing
  19. cryosurgery
    use of subfreezing temperature, commonly with liquid nitrogen, to destroy abnormal tissue cells, such as unwanted, cancerous, or infected tissue.
  20. skin test
    any test in which a suspected allergen or sensitizer is applied to or injected into the skin to determine the patient's sensitivity to it
  21. biopsy
    removal of a small piece of living tissue from an organ or other part of the body for microscopic examination to confirm or establish a diagnosis, estimate prognosis, or follow the course of a disease (bi:life; -opsy: view of)
  22. wheal
    smooth, slightly elevated skin that is white in the center with a pale redperiphery; also called hives if itchy
  23. vitiligo
    localized loss of skin pigmentation characterized by milk-white patches; also called leukoderma
  24. vesicle
    small blister-like elevation on the skin containing a clear fluid; large vesicles are called bullae (singular: bulla)
  25. verruca
    rounded epidermal growth caused by a virus; also called wart
  26. urticaria
    allergic reaction of the skin characterized by erruption of pale red elevated patches that are intensely itchy; also called wheals (hives)
  27. ulcer
    lesion of the skin or mucous membranes marked by inflammation, necrosis, and sloughing of damaged tissues
  28. pressure ulcer
    skin ulceration caused by prolonged pressure, usually in a person who is bedridden; also known as decubitus ulcer or bedsore
  29. tinea
    fungal infection whose name commonly indicates the body part affected, such as tinea pedis (athlete's footP ; also called ringworm
  30. skin lesions
    areas of pathologically altered tissue caused by disease, injury, or a wound due to external factors or internal disease
  31. scabies
    contagious skin disease transmitted by the itch mite
  32. psoriasis
    chronic skin disease characterized by itchy red patches covered with silvery scales
  33. keloid
    overgrowth of scar tissue at the site of a skin injury (especially a wound, surgical incision, or severe burn) due to excessive collagen formation during the healing process
  34. impetigo
    bacterial skin infection characterized by isolated pustules that become crusted and rupture
  35. ichthyosis
    genetic skin disorder in which the skin is dry and scaly, resembling fish skin due to a defect in keratinization (ichthy/o: dry, scaly; -osis: abnormal condition; increase (used primarily with blood cells)
  36. hirsutism
    excessive growth of hair in unusual places, especially in women; may be due to hypersecretion of testosterone
  37. hematoma
    elevated, localized collection of blood trapped under the skin that usually results from trauma (hemat: blood; -oma: tumor)
  38. petechia
    minute, pinpoint hemorrhagic spot of the skin that is a smaller version of an ecchymosis
  39. ecchymosis
    skin discoloration consisting of a large, irregularly formed hemorrhagic area with colors changing from blue-black to greenish brown or yellow; commonly called a bruise
  40. contusion
    hemorrhage of any size under the skin in which the skin is not broken; also known as a bruise
  41. hemorrhage
    external or internal loss of a large amount of blood in a short period (hem/o: blood; -rrhage: bursting forth (of))
  42. gangrene
    death of tissue, usually resulting from loss of blood supply
  43. eczema
    redness of skin caused by swelling of the capillaries
  44. sebaceous
    cyst filled with sebum (fatty material) from a sebaceous gland
  45. comedo
    discolored, dried sebum plugging an excretory duct of the skin; also called blackhead
  46. melanoma
    malignant tumor that originates in melanocytes and is considered the most dangerous type of skin cancer, which, if not treated early, becomes difficult to cure and can be fatal
  47. carcinoma
    uncontrolled growth of abnormal cells in the body; also called malignant cells
  48. third-degree burn
    severe burn characterized by destruction of the epidermis and dermis with damage to the subcutaneous layer, leaving the skin charred black or dry white in appearance with insensitivity to touch; full thickness
  49. second-degree burn
    burn affecting the epidermis and part of the dermis and characterized by redness, blistering or larger bullae, and pain with little or no scarring; partial thickness
  50. first degree burn
    superficial; mild burn affecting the epidermis and characterized by redness and pain with no blistering or scar formation
  51. burn
    tissue injury caused by contact with a thermal, chemical, electrical, or radioactive agent
  52. alopecia
    absence or loss of hair, especially of the head; also known as baldness
  53. acne
    inflammatory disease of sebaceous follicles of the skin, marked by comedos (blackheads), papules, and pustules (small skin lesion filled with purulent material)
  54. carbuncle
    cluster or furuncles in the subcutaneous tissue
  55. furuncle
    abscess that originates in a hair follicle; also called boil
  56. abscess
    localized collection of pus at the site of an infection (characteristically a staphylococcal infection)
  57. abrasion
    scraping or rubbing away of a surface, such as skin, by friction
  58. avascular
    pertaining to a type of tissue that does not have blood vessels
  59. cutaneous
    pertaining to the skin
  60. dermis
    deeper layer of skin composed of nerves, blood vessels, hair follicles, and sebaceous (oil) and sudoriferous (sweat) glands
  61. epidermis
    outer protective layer of skin that coves the body and does not have a blood or nerve supply
  62. lesion
    wound, injury, or pathological change in body tissue
  63. subcutaneous
    pertaining to under the skin
  64. sudoriferous
    pertaining to or producing sweat
  65. systemic
    pertaining to a system or the whole body rather than a localized area
  66. therapeutic
    pertaining to treating, remediating, or curing a disorder or disease
  67. vascular
    pertaining to or containing blood vessels
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integumentary system medterm ch.3
integumentary system ch.3 medterm