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closed comedo |
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comedo /com·e·do/ (kom´ĕ-do) pl. comedo´nes a plug of keratin and sebum within the dilated orifice of a hair follicle, frequently containing the bacteria Propionobacterium acnes, Staphylococcus albus, and Pityrosporon ovale. closed comedo whitehead; a comedo whose opening is not widely dilated, appearing as a small, flesh-colored papule; it may rupture and cause an inflammatory lesion in the dermis. open comedo blackhead; a comedo with a widely dilated orifice in which the pigmented impaction is visible at the skin surface.
closed comedo Whitehead, see there How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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If the plugged follicle, or comedo, stays beneath the skin, it is called a closed comedo or whitehead. |
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