a nongranular variety of leukocyte formed in lymphatic tissue, important in the synthesis of antibodies
Origin of lymphocytelympho- + -cyte
Any of a class of white blood cells of the vertebrate immune system, including the B cells, T cells, and natural killer cells, that in mammals derive from a common progenitor in the bone marrow and are found chiefly in lymph, lymphoid tissues, and blood.
- (cytology, immunology) A type of white blood cell or leukocyte that is divided into two principal groups and a null group; B-lymphocytes, which produce antibodies in the humoral immune response, T-lymphocytes, which participate in the cell-mediated immune response and the null group, which contains natural killer cells, cytotoxic cells that participate in the innate immune response.
lympho- +"Ž -cyte