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SEM of B-lymphocyte blood cell

SEM of B-lymphocyte blood cell

P248/0146

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Credit

CNRI / SCIENCE PHOTO LIBRARY PHOTO LIBRARY CNRI / SCIENCE PHOTO LIBRARY PHOTO LIBRARY

Caption

B-lymphocyte. Coloured scanning electron micrograph of a B-lymphocyte white blood cell. The cell's surface is covered with tiny ridges and projections called microvilli, which help it bind to target proteins. B-cells account for 10% of the body's lymphocytes. On encountering a foreign antigen, such as a bacterial surface protein, the immature B-cell either divides into a number of plasma cells, which produce antibodies that kill the invader, or it matures into a memory cell. Memory cells remain in the body for years, giving immunity to the original pathogen. Magnification x5500 at 6x7cm size. Magnification x2750 at 35mm size.

Release details

Model release not required. Property release not required.

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