lymphocytic Definition

any of the colorless weakly motile cells originating from stem cells and differentiating in lymphoid tissue (as of the thymus or bone marrow) that are the typical cellular elements of lymph, include the cellular mediators of immunity, and constitute 20 to 30 percent of the white blood cells of normal human blood

an acute disease that is caused by an arenavirus (species Lymphocytic choriomeningitis virus of the genus Arenavirus), that is characterized by fever, nausea and vomiting, headache, stiff neck, and slow pulse, that is marked by the presence of numerous lymphocytes in the cerebrospinal fluid, and that is transmitted especially by rodents

leukemia of either of two types marked by an abnormal increase in the number of white blood cells (such as lymphocytes) which accumulate especially in bone marrow, lymphoid tissue, and circulating blood —called also lymphatic leukemia