an agranulocytic leukocyte that normally makes up a quarter of the white blood cell count but increases in the presence of infection
"The doctor explained that her high lymphocyte count was likely just her body's natural response to the viral infection she'd been battling for days."
A type of white blood cell with a spherical nucleus occurring in the lymphatic system, including B cells, T cells and natural killer cells.
"The biopsy revealed an abnormal proliferation of lymphocytes within the patient's enlarged lymph nodes."