SEM of B-lymphocytes white blood cells

SEM of B-lymphocytes white blood cells

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Credit: CNRI/SCIENCE PHOTO LIBRARY

Caption: Scanning electron micrograph (SEM) of human B-lymphocytes. They are white blood cells and one of the component cell types of the human immune system. B-lymphocytes (B-cells) arise in the foetal liver and spleen & in adult bone marrow. They are distinct from the functionally different T-cells, which are derived from the thymus. B-cells are characterised by the presence of antibodies (immunoglobulins) inserted into their surface membranes. These antibodies act as receptors to specific antigens on foreign substances. The majority of human B-cells display surface antibodies of class IgM and IgD. Magnification: x1650 at 35mm size.

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Keywords: anatomy, b-lymphocite, b-lymphocyte, cells, false-coloured, human body, immune, lymphocyte, scanning electron micrograph, sem, white blood cell

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