test 3 skin Flashcards
Primary skin lesion that is nonpalpable, flat, smaller than 1cm, such as a freckle or small nevus
macule
the white area at the base of the fingernail
lunula
the three layers of the skin
epidermis, dermis, subcutaneous tissue
condition of abnormal growth of hair on face or body often in women due to excess androgens causing male pattern hair growth
hirsutism
the largest organ in the body
skin
inflammatory skin condition precipitated by contact with irritant or allergen consisting of vesicles in the epidermis and perivascular inflammation
contact dermititis
fungal disease of the nail
onchyomycosis
two classificiations of skin lesions
primary and secondary
nail disorder caused by psoriasis
nail pitting
prolonged sun exposure or UV radiation is a risk factor for what 2 skin conditions
basal cell carcinoma and squamous cell carcinoma
tough protein that hair is made of
keratin
presence of inflammatory cells within the walls and ostia of hair follicle
folliculitis
outmost layer of the skin
epidermis
what condition can cause loss of lateral third of eyebrows
hypothyroidism
secondary skin lesion that is characterized by linear crack from the epidermis into the dermis as seen in cheilitis (athletes foot)
fissure
What condition causes hair loss on legs
peripheral vascular disease
Three specific criteria that a dermatologic diagnosis is based on
morphologic characteristics, configuration, distribution
subungual lesion in the nail bed that presents as a hyperpigmented band in the nail
malignant melanoma
superficial fungal infection on skin, eyebrows, and lashes that has a propensity to attack hair shafts and follicles
tinea corporis
primary skin lesion that is flat, elevated superficial papule with a surface area greater than its height as seen in seborrheic keratosis
plaque
melanocytes grow out of control in this deadly skin condition and early detection is key for 5 year survival
melanoma
term for nail disorder characterized by traverse grooves or depressions on the nail parallel to the lunula seen in many severe systemic illness
Beau’s lines
tender erythematous subcutaneous nodules typically located symmetrically on the shins and associated with many diseases such as strep infections, chlamydia, sarcoidosis
erythema nodosum
skin lesion that consists of polygonal, shiny, flat topped papule with violaceous hue
lichen planus
