Sosnowski Skin Wounds Flashcards
(42 cards)
flat lesion w/ well-circumscribed change in skin color less than 1 cm
macule (freckle)
macule greater than 1 cm (birthmark)
patch
elevated solid skin lesion less than 1 cm (mole, acne)
papule
papule greater than 1 cm (psoriasis)
plaque
small fluid containing blister less than 1 cm (chickenpox)
vesicle
large fluid containing blister greater than 1 cm (bullous pemphigoid)
bulla
vesicle containing pus
pustule
transient smooth papule or plaque (hives)
wheal
flaking off of stratum corneum (eczema, psoriasis)
scale
dry exudate (impetigo)
crust
increase in thickness of stratum corneum
hyperkeratosis
retention of nuclei in stratum corneum
parakeratosis
increase in thickness of stratum granulosum
hypergranulosis
epidermal accumulation of edematous fluid in intercellular spaces
spongiosis
separation of epidermal cells
acantholysis
epidermal hyperplasia (increase in spinosum)
acanthosis
natural cleavage lines of skin that heal better
Langer’s lines
controls body temperature
hypothalamus and skin
main neurotransmitter that controls temperature
Ach
4 steps in wound healing:
hemostasis
inflammation
proliferation
remodeling
raised scar that spreads beyond site of initial injury
Keloid
fastest type of closure of a wound; surgical incisions and paper cuts; normal steps
primary closure
wound edges cannot be closed so body will heal from bottom up
secondary closure
deals with traumatic injuries or infected wounds; often a graft needs to be used
delayed primary closure