a plugged sebaceous follicle with sebaceous material, epithelial cell debris like a small logjam that prevents this material from getting to the external surface of the skin and being removed
a plug of keratin (protein found in hair) and sebum (oil that is secreted from a hair follicle) that is found within a dilated opening of a hair follicle
a plug of sebaceous oil and dead skin clogging the opening of a hair follicle
a plug that forms within the pilosebaceous duct
a plug of keratin and sebum with a hair follicle that is blackened at the surface. Also known as a blackhead.
a hair follicle filled with keratin and sebum: Closed comedone- whitehead; Open comedone - blackhead
A plugged hair follicle. May be open (blackhead) or nearly closed (whitehead).
A plug of sebaceous and dead skin material trapped in the opening of a hair follicle.
When dead skin cells are trapped and compacted by oil to clog pores.
The scientific name for blackheads and whiteheads; a clogged pore.
