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Lymphocyte

By Mark Cichocki, R.N., About.com

Updated: January 20, 2007

About.com Health's Disease and Condition content is reviewed by Susan Olender, MD

Definition:
A type of white blood cell (leukocyte) found in the blood, lymph nodes, and certain organs. Lymphocytes are made in the bone marrow. There are two types of lymphocytes:

  • B-lymphocytes

  • T-lymphocytes

  • Also Known As:

  • T-lymphocytes

  • B-lymphocytes

  • T-cells
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