T Cells - MSN Encarta

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T cell - Wikipedia, the free encyclopedia
T cells belong to a group of white blood cells known as lymphocytes, and play a central role in cell-mediated immunity. They can be distinguished from other lymphocyte types, such ...
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T cell definition - Medical Dictionary definitions of popular medical ...
Online Medical Dictionary and glossary with medical definitions ... Definition of T cell. T cell: A type of white blood cell that is of key importance to the immune system and is ...

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T Cells, killer cells of the immune system. These components of the blood, also known as T lymphocytes, directly attack foreign substances in the body. Diseases that damage the ability of T cells to function threaten the body's ability to defend itself against infection.

For information on:

how T cells fight disease, see Immune System

production and movement of all lymphocytes, see Anatomy: Immune System

diseases affecting T cells, see Acquired Immunodeficiency Syndrome; HTLV; Human Immunodeficiency Virus

a drug that blocks T cells, see Cyclosporine

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