Lymphocytes:A smallwhite blood cell(leukocyte) that plays a large role in defending the body against disease.
淋巴细胞是responsible forimmuneresponses. There are two main types of lymphocytes:B cellsandT cells. The B cells make antibodies that attack bacteria and toxins while the T cells attack body cells themselves when they have been taken over by viruses or have become cancerous. Lymphocytes secrete products (lymphokines) that modulate the functional activities of many other types of cells and are often present at sites ofchronicinflammation.
