A comedo is a type of acne caused by pores that have become clogged with excess bacteria, oil, and dead skin cells. These ...
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What Are Blackheads?
A blackhead is one type of comedo, or acne bump. Comedones can be open or closed, based on whether the skin surface is ...
Comedo: a term that refers to the gross appearance of certain duct carcinomas in situ in which central areas of necrotic tumor cells accumulate. These were initially seen to resemble comedones of ...
Some common descriptive terms of primary lesions are macule, papule, nodule, plaque, wheal, vesicle, bulla, pustule, cyst, comedo, and burrow. Secondary lesions are the patient's response to a ...