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Primary Skin Lesions
Term | Definition |
---|---|
Macule | a small, flat spot that goes up to 1 cm in diameter |
Wheal | an irregular, relatively transient area of skin edema |
Vesicle | a blister filled with serous fluid that goes up to 1 cm in diameter |
Papule | a raised area that is less than 1 cm in diameter |
Nodule | a marble-like lesion under the skin that is greater than 0.5 cm |
Pustule | filled with pus |
Bulla | a fluid-filled lesion that is greater than 1 cm in diameter |