Coloured TEM of a T-lymphocyte white blood cell

T-lymphocyte. Coloured Transmission Electron Micrograph (TEM) of a section through a T-lympho- cyte white blood cell. At centre, the large dark nucleus is seen with yellow chromatin. The rough surface consists of microvilli-projections. Organelles are seen in the cell cytoplasm (light blue). T-lymphocytes are cells of the human immune system, produced in bone marrow and which mature in the thymus gland. There are three major types of white blood cells: granulocytes, lymphocytes and monocytes, which protect the body against invasion by foreign substances. T-cells are attacked by the HIV virus which causes AIDS. Magnification: x8000 at 6x7cm size.

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Keywords: anatomy, blood cell, cell, circle circles, human body, image, immune, lymphocyte, magnified image, microscopic photos, microvilli, round shape, rounded circular, subject, t-cell, t-lymphocyte, white, white blood cell