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Class #4 (Skin)
Skin Lesions
| Term | Definition |
|---|---|
| Bulla (p) | circumscribed collection of free fluid greater than 1 cm. (give an example) |
| Macule (p) | circular, flat, discolored (brown, blue, red, or hyperpigmented); over 1 cm. (give an example) |
| Nodule (p) | circular, elevated, solid lesion; over 1 cm; indicative of abnormal tissue growth. (can be two things...what are they?) |
| Patch (p) | circumscribed, flat discoloration; larger than macules; lightening or darkening of skin. (can be caused by?) |
| Papule (p) | superficial, solid elevation over 0.5cm; color varies; transitory (may go away). (give an example) |
| Plaque (p) | superficial, elevated, solid, flat; topped lesion; larger than 1 cm. (can be caused by?) |
| Pustule (p) | vesicles containing fluid (inflammatory cells, pus). (can occur in...? caused by...?) |
| Vesicle (p) | collection of free fluid smaller than a bulla; occur often in patches of multiple vesicles. (can be caused by...?) |
| Wheal (p) | edematous, transitory, plaque; may last a few hours; comes up all of a sudden and disappears all of a sudden. (give an example? can be caused by...?) |
| Scale (s) | epidermal thickening; consists of flakes of plates of compacted desquamated layers of stratum corneum. (caused by...?) |
| Crust (s) | dried serum or exudate on skin; on top of primary lesion. |
| Fissure (s) | cracks or splits in the skin usually due to severe dry skin. (seen in skin conditions like...?) |
| Excoriation (s) | linear erosion (loss of epidermis). (can be caused by...?) |
| Erosion (s) | loss of epidermis - superficial. (give an example?) (can be caused by...?) |
| Lichenification (s) | thickening of epidermis that comes from consistent rubbing or scratching of skin; epidermal changes have occurred; exaggeration of normal skin lines. (occurs with...?) |
| Scars (s) | permanent alterations in skin color and thickness due to fibrotic changes during skin healing following damage to the epidermis |
Created by:
N272spring2022
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