Cells that help the body fight infections and other diseases. Also called white blood cells (wbcs). ... (12 Dec 1998) ... Found on http://www.encyclo.co.uk/local/20973
White blood cells which generally fulfill immune functions, as opposed to red blood cells, which are primarily involved in oxygen transport. Leukocytes may be classified as granular or agranular. Found on http://www.virology.net/ATVGlossary.html