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Blackhead

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia, Hutchinson 0.04 sec.
blackhead /black·head/ (blak´hed) open comedo.
black·head (blkhd)
n.
A plug of keratin and sebum within a hair follicle that is blackened at the surface. Also called open comedo.
Blackhead
A plug of fatty cells capped with a blackened mass.
Mentioned in: Rosacea
blackhead Open comedo A blocked sebaceous gland which is open to air, where the secretions oxidize, turning black. Cf Whitehead.


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