Term
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Definition
| nonpalpable, flat - smaller than 1cm - freckle |
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Term
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Definition
| nonpalpable, flat. greater than 1cm - vitiligo |
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Term
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Definition
| nonblanching reddish macule or papule representing extravascular deposits of blood greater than 0.3cm |
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Term
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Definition
| nonblanching reddish macule representing extravscular deposits of blood - less than or equal to 0.3cm |
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Term
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Definition
| palpable, fluid filled. smaller than 1cm. filled with serous fluid - blister |
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Term
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Definition
| palpable fluid filled - greater than 1cm. filled with serous fluid - blister |
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Term
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Definition
| similar to vesicle filled with pus - acne |
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Term
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Definition
| palpable solid mass - smaller than 1cm - nevus,wart |
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Term
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Definition
| palpable solid mass - 1-2cm - erythema nodosum |
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Term
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Definition
| palpable solid mass. flat elevated superficial papule surfare area greatert than height - psoriasis |
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Term
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Definition
| palpable solid mass. superficial area of cutaneous edema - hives, insect bite |
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Term
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Definition
| plugged opening of sebaceous gland - blackhead |
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Term
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Definition
| palpable lesion filled with semiliquid material or fluid - sebaceous cyst |
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Term
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Definition
| heaped up keratinized cells above the skin plane - dandruff |
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Term
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Definition
| dried residue or pus, serum or blood - scabs |
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Term
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Definition
| a skin defect that extends into the dermis or deeper into the subcutis and always ovvurs within pathologically altered tissue |
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Term
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Definition
| a dimunition of some or all layers of the skin - thinning of the epidermis - loss of skin texture |
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Term
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Definition
| fibrous tissue replacement - can be hypertrophic and hard or atrophic and soft |
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Term
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Definition
| a defect only of the epidermis, not involving the dermis |
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Term
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Definition
| thickening of the epidermis |
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Term
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Definition
| hypertrophic scarring that extends beyond the borders of initiating injury |
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Term
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Definition
| purpuric lesion - rounded oval or irregular; may have a central sub-q flat nodule (hematoma) - seen in bleeding disorders |
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Term
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Definition
| linear erosions caused by scratching |
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Term
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Definition
| aka spider veins - bluish - most often in legs near veins - usually accompanies vericose veins |
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Term
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Definition
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Term
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Definition
| a linear carck in the skin - often from excessive dryness |
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Term
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Definition
benign - common mole
atypical/dysplastic - melanoma - irregular borders |
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Term
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Definition
| fiery red - very small to 2 cm - seen on face, neck, arms, and upper trunk almost never below waist. Seen in pts with liver disease, pregnancy, vit B def., and normally in some people |
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Term
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Definition
| small rough growth - caused by HPV |
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Term
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Definition
| red hue, incresed blood flow |
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Term
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Definition
| skin becomes diffusely yellow - visible in sclera - suggests liver disease or excessive hemolysis of RBC |
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Term
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Definition
| increased conc. of deoxyhemoglobin in cutaneous blood vessels |
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Term
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Definition
| decreased redness in anemia and reduced blood flow - whiteness |
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Term
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Definition
epidermis - most superficial - takes 1 mo to move from inner to top layer - 2 layers: outer dead keratinized cells and inner layer where melanin and keratin are formed
dermis - supplies nutrition for epidermis
Subq - adipose tissue |
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Term
| Function of skin in maintaining homeostasis |
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Definition
| Provides boundaries for body fluids while protecting underlying tissue from harmful substances, microorganisms, radiation. Also modulated body temp and synthesizes vit. D |
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