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40 Cards in this Set

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macule
change in skin color (u can't feel these if you close your eyes); ex: freckles, tattoos, hyperpigmentation, hypopigmentation, erythema, purpura, and vitiligo (blue color means color change is deep into dermis)
papules
small, solid lesions that are generally <1 cm; (warts, moles, and molluscum contagiosum
nodule
a solid, palpable, rounded or ellipsoidal lesion located in the epidermis, dermis, or subcutis (Substance such as a neoplasm growing in dermis. Hard and firm to palpate, a larger papule.)(>0.5 cm or >5mm in diameter)
tumor
large nodule; any localized swelling of tissue, although it is often used as synonymous with neoplasm (Any localized area of swelling)
plaque
solid, elevated, flat-topped, plateaulike lesions that cover a fairly large area and may be flat or rough surface; they may arise from papules that join together (chronic eczematous dermatitis, psoriasis); (> 0.5 cm in diameter)
vessicle
fluid filled small blister; a circumscribed, raised, fluid-filled lesion less than 0.5 cm. in diameter (Herpes Simplex -fever blisters- at corner of mouth usually but can spread if dermatitis - atopic Abnormal Skin-)
bullae
a vessicle over 5 mm in diameter; a circumscribed, raised, fluid-filled lesion greater than 0.5 cm. in diameter (Big blisters)
pustule
a raised lesion of various size and shape that contain polymorphonuclear leukocytes and cellular debris; color of exudate may be white, yellow, or green depending on infectious agent involved (Pus filled, not hard, if a hair is coming out of pustule, this indicative of follicucitis.)
wheal
pink plaque caused by edema of the skin as in urticaria; a transient, raised, fiat-topped or rounded elevation of the skin caused by edema of the upper dermis ( *Hives* Due to fluid edema in skin. Seen mostly like plaque)
petechia
purple discoloration of the skin caused by extravasation of the blood
purpura
a petechial lesion >5mm
primary lesions
macule, papule, nodule, tumor, plaque, vessicle, bullae, pustule, wheal, petechia, purpura; t is the initial lesion that has not been altered by trauma, manipulation(scratching, scrubbing) or natural regression over time. (e.g. macule, papules, plaques)
fissure
a crack or split in the epidermis; (Acute "sudden" loss of skin in a linear fashion)
erosion
an area of partial loss (superficial) of the epidermis; moist but not bleeding
ulcer
an area of total loss of epidermis; a deeper loss of skin surface; may bleed and scar
scales
flat flakes from the stratum corneum (horny layer)
crust
scabs from blood, serum, or exudate; "oozing and crusting" on skin from some fluid loss and seeping from skin. *This is a Secondary Cause* Have to find the primary source of oozing and crusting.)
atrophy
loss of thickness of the epidermis or dermis; due to a decrease in the number of cells due to inflammation, trauma, or aging (indentation, permanent loss of skin)
lipoatrophy
loss of subcutaneous fat
lichenified
thickening of epidermis with an esaggeration of normal skin lines
papulosquamous
papules or plaques with scales (psoriasis)
eczematous
erythematous and scaly lesion with ill-defined borders, caused by inflammation (atopic dermatitis)
necrosis
death of skin
bacterial lesion
Impetigo, Folliculitis, Furunculosis, Hidradenitis suppurativa
impetigo
Starts as a vesicle
or bullae, Oozes
serum(honeycrusted
lesion, Red base
folliculitis
Infection or Inflammation of the hair follicle; Coagulase-positive Staph aureus is
the pathogen
epidermis
thin, avascular, superficial layer (Top layer of skin, makes up stratea corneum. Has no nuclei, protects us from the environment and regulates homeostasis through water or sweat loss, heat evaporation and carbon dioxide diffusion)

a.outer horny layer

b. inner cellular layer
dermis
middle layer of skin, contains hair follicles and roots, sebaceous glands which come out the same orifice as hair follicles, apocrine glands (scent ducts), sweat ducts

a. connective tissue

b. sebaceous glands

c. hair follicles
subcutaneous tissue
Most veins and arteries are located, also fat

a. fat

b. sweat glands

c. hair follicles
annular
ring-shaped
confluent
means joining, running together, denoting skin lesions which become merges forming a patch.
exanthem
A skin eruption occurring as a symptom of an acute viral or cocal disease as in scarlet fever or measles.
patch
flat, circumscribed skin discoloration;a very large macule
cyst
a sac that contains a liquid or semisolid substance (Fluid-filled, could be keratin. -extremely tough or fibrous protein- filled. Usually mobile and soft due to fluid. Located in epidermis normally)
desquamation
(scaling) - the result of loss of the outermost layer of skin when there is abnormal keratinization and exfoliation of cornified epithelial cells (shedding of the epidermis)
special lesions
include lesions such as e.g. purpura, petechiae, comedones, target lesions, burrows, telangiectasias
mild acne
consists of comedones and/or occassional papules and pustules
moderate acne
more inflammatory acne, with relatively superficial papules and/or pustules; comedones may also be present; lesions may heal with scars
severe acne
(cystic or nodular acne, acne conglobata) has a greater degree, depth, and number of inflammatory lesions; papules, pustules, nodules, cysts, and possibly abscesses; Sinus tracts, significant scarring, and keloid formation may also be evident
oral antibiotics
used in the management of moderate to sever acne and acnelike disorders