skin terminology Flashcards
xerosis
dry skin
excoriation
self-inflicted abrasion (on skin due to scratching)
ulcer
deep depression, irregular shape, leaves a scar
scar
normal tissue lost & replaced with CT (e.g. healed area of surgery, injury, or acne)
atrophic scar
depressed resulting skin level, loss of tissue (e.g. striae)
dermis
inner supportive layer of CT or collagen
epidermis
outermost layer of skin, stratified
subcutaneous layer
“fat”, adipose tissue below dermis, stores ENERGY
nevi
moles
nevus simplex
“stork bite”/salmon patch, flat red/pink irregular patch (location: forehead, eyelid, upper lip, back of neck)
senile angiomas
raised red spots, appears on trunk (on 30yo+)
senile lentigines
“liver spots”, small flat circumscribed brown macules
acrochordons
“skin tags”, normal skin overgrows forming a stalk, polyp-like
petechiae
tiny purple/red flat spots (hemorrhaging) (1-3mm), does not blanch
purpura
dark red discolored areas, flat, extensive patch of petechiae
pallor
paleness, looks like CT
cyanosis
bluish discoloration (decreased perfusion), high in deoxygenated blood
erythema
intense redness (excess blood in dilated superficial capillaries)
jaundice
yellowing of skin (rising amounts of bilirubin in blood)
blanching
turning white, (blood supply is squeezed/cut off)
skin tear
break or rip in outer skin layer, separates epidermis from tissues
discrete
distinct & individual lesions (e.g. skin tags, acne)
target
‘iris”, concentric ring color