Question | Answer |
epidermis | the thin outer layer of the skin |
dermis | located under the epidermis, contains accessory structures of the integumentary system |
adipose | fatty layer |
pilomotor muscles | cause erection of the hairs of the skin in response to a chilly environment, emotional stimulus, or skin irritation |
sudoriferous glands | sweat glands |
sebum | oily substance produced by sebaceous glands |
lesion | any visible, localized abnormality of the skin, such as a wound, rash or sore |
nodule | marble-like, solid lesion more than 1 cm wide and deep |
cyst | sac filled with fluid or semi-solid material |
macule | small nonraised (freckle) |
papule | elevated lesion less than 1 cm (mole) |
plaques | eleveated and circular patches more than 1 cm in diameter (dandruff) |
vessicle | blisters less than 1 cm and filled with clear fluid |
bullae | blisters greater than 1 cm and filled with clear fluid |
pustules | vesicles filled with cloudy fluid or pus |
wheals | elevated and irregularly shaped lesions often seen in allergic reactions (hives) |
Atrophy | thinning of the skin with the loss of skin markings (stretch mark) |
Ulcers | deep, irregular erosions that extend into the dermis |
Fissure | linear cracks in the epidermis (Athlete's Foot) |
Keloid | excessive overgrowth of unsightly scar tissue |
laceration | torn, jagged wound |
incision | smooth-edged wound produced by a sharp instrument |
aseptic | free of pahtogenic organisms (disease causing germs) |
abrasion | skin is scraped or rubbed away by friction |
contusion | caused by a blow to the body that does not break the skin (bruise) |
skin graft | skin is implanted to cover areas where skin has been lost |
| |
Superficial burn | first degree, only epidermis, red, no immediate blisters |
deep partial-thickness burn | second degree, extends into dermis, red and moist, blistered |
full thickness | third degree, throughout the dermis and third degree, epidermis, sometimes into the subcutaneous layer, hard, dry and leathery, whit, deep red, yellow, brown to black |
Deep full thickness | fourth degree, no skin layers remain, underlying bone and muscle are damaged, wound is blackened and depressed, muscle and bone are exposed |
abcess | a cavity that contains pus caused by an infectious microorganism and surrounded by inflamed tissue |
albinism | an absence of normal pigmentation, present at birth |
cellulitis | an acute infection of the skin and subcutaneous tissue characterized most commonly by local heat, redness, pain and swelling |
cyanosis | a bluish discoloration of the skin and mucous membranes |
dermatitis | an inflammatory condition of the skin |
discoid lupus erythematosus (DLE) | chronic disorder, primarily of the skin, characterized by lesions that are covered with scales (reddish facial "butterfly" rash) |
frostbite | damage to skin, tissues and blood vessels as a result of proloned exposure to cold |
furuncle | boil, localized skin infection originating in a gland or hair follicle |
hypopigmentation | unusual lack of skin color |
ichthyosis | skin that is dry and scaly, resembling fish skin |
lipoma | a benign tumor consisting of mature fat cells |
malignant | melanoma skin cancer, composed of melanocytes |
mycodermatitis | inflammation of skin caused by a fungus |
necrosis | death of areas of damaged or diseased tissue or bone surrounded by healthy tissue |
onychomycosis | fungal infection of the nail |
pediculosis | lice |
petechiae | tiny purple or red spots appearing on the skin as a result of tiny hemorrhages withing dermal or submucosal layers (hickey) |
ungual | pertaining to the nail |
Adipose | fatty subcutaneous layer of fat that serves as insulation and a cushion against shock. Below dermis |
integument | skin or external covering of the body |