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Comedo, Black Head
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Price range: $19.00 through $400.00
Comedo, Black Head

A comedo is a clogged hair follicle (pore) in the skin.[2] Keratin (skin debris) combines with oil to block the follicle.[3] A comedo can be open (blackhead) or closed by skin (whitehead), and occur with or without acne.[3] The word comedo comes from the Latin comedere, meaning “to eat up”, and was historically used to describe parasitic worms; in modern medical terminology, it is used to suggest the worm-like appearance of the expressed material.[1]

Fluorescent Image of Mouth Area
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Price range: $19.00 through $400.00
Fluorescent Image of Mouth Area

Dermatology is the branch of medicine dealing with the skin, nails, hair and its diseases.[1][2] It is a specialty with both medical and surgical aspects.[3][4][5] A dermatologist treats diseases, in the widest sense,[6] and some cosmetic problems of the skin, scalp, hair, and nails.[2][7]