LYMPHOCYTE, TEM


Lymphocytes account for about 30% of the white cells (leukocytes) in the bloodstream. They play a crucial role in immune reactions. Lymphocytes measure about 7 micrometers in diameter. Several populations are described according to their function. B lymphocytes are specialized in antibody production. These cells produce immunoglobulins. T lymphocytes are divided into two subpopulations, one specialized in interleukin secretion and the other in killing cells infected by viruses. Here lymphocytes are viewed with a transmission electron microscope.


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Photo credit: © MEULLEMIESTRE / BSIP / Alamy / Afripics
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