P266/0089 Rights Managed
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Credit: DR OLIVIER SCHWARTZ, INSTITUTE PASTEUR/ SCIENCE PHOTO LIBRARY
Caption: Dendritic cell and lymphocyte, coloured scanning electron micrograph (SEM). Interaction between a dendritic cell (blue) and a T lymphocyte (pink), two components of the body's immune system. Both are types of white blood cell. T lymphocytes recognise a specific site on the surface of pathogens or foreign objects (antigens), bind to it, and produce antibodies or cells to eliminate that antigen. Dendritic cells are antigen- presenting cells (APCs), they present antigens to T lymphocytes, which can only recognise antigens when they are presented by APCs. Magnification: x3750 when printed 10cm wide.
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Keywords: adaptive immunity, antigen, antigen presenting cell, apc, apcs, biological, biology, cell, cell body, cells, coloured, contact, dendrite, dendrites, dendritic cell, duo, extension, extensions, false-colour, false-coloured, images, immune, immunity, immunology, interacting, interaction, magnified image, medical, medicine, microscopic photos, monocyte, pair, presentation, presenting, scanning electron micrograph, scanning electron microscope, sem, specific, subjects, system, t cell, t lymphocyte, two, white blood cell
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