Blackhead, SEM

Blackhead, SEM

P720/0262

Rights Managed

Caption

Blackhead. Coloured scanning electron micrograph (SEM) of hairs emerging from a blockage in the skin. The material which caused the obstruction, the dead cells and debris associated with a pimple or blackhead, is attached to the emerging hair. Blackheads and pimples form when a sebaceous gland becomes blocked with a plug of dried sebum (an oily excretion). Magnification: x180 when printed 10 centimetres wide.

Release details

Model release not required. Property release not required.

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