Immune response. Illustration of a T-helper lymphocyte (white blood cell) that has signalled to other immune cells to effect an immune response. B lym

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Immune response. Illustration of a T-helper lymphocyte (white blood cell) that has signalled to other immune cells to effect an immune response. B lymphocytes have produced antibodies (y-shaped molecules) against the foreign cell.

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Size: 3687px × 4740px
Photo credit: © SINGLECELL ANIMATION LLC/SCIENCE PHOTO LIBRARY / Alamy / Afripics
License: Licensed
Model Released: No

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