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Coloured SEM of T-lymphocyte killer cell attacking

Coloured SEM of T-lymphocyte killer cell attacking

P248/0140

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50.8 MB (1.3 MB compressed)

5086 x 3490 pixels

43.2 x 29.5 cm ⏐ 17.0 x 11.6 in (300dpi)

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Credit

BSIP, SECCHI LECAQUE / SCIENCE PHOTO LIBRARY BSIP, SECCHI LECAQUE / SCIENCE PHOTO LIBRARY

Caption

Killer T-lymphocyte attacking a cell. Coloured Scanning Electron Micrograph (SEM) of a T- lymphocyte killer cell attacking a larger cell. Three small rounded killer T-lymphocyte cells, a type of white blood cell, are seen at right. One of these smaller cells (near centre) has attached itself to a large undifferentiated cell (at right) and is attacking it. It recognises the larger cell (which may be a virus infected cell or a cancer cell) by its surface antigens. Once it attaches it will kill the cell, so acting as an important mechanism in the body's immune response. Magnification: unknown.

Release details

Model release not required. Property release not required.

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