| A | B |
|---|
| Lesion | injury or damage that changes the skin |
| Bulla | large blister |
| Vesicle | small blister |
| Cyst | closed abnormal sac, containg fluid, semi-fluid or morbid matter |
| Macule | freckle |
| Papule | small reddened pimple (no pus) |
| Pustule | pimple that contains pus |
| Tubercle | rounded, solid lump above, below or w/in the skin |
| Tumor | Abnormal cell mass, excessive multiplication of cells |
| Wheal | itchy lesion, only lasts a few hours, ex. hives, mosquito bite |
| Crust | scab |
| Excoriation | sore caused by scratching the skin |
| Fissure | deep crack in the skin (all the way to the dermis) ex: chapped lips/hands |
| Keloid | thick scar |
| Cicatrix | light colored, slightly raised scar |
| Scale | accumulation of epidermal flakes ex: dandruff |
| Ulcer | open lesion w/loss of depth, pus present |
