(biology) Any of the genus Lymphocryptovirus of herpesviruses that includes the human Epstein-Barr virus (Human gammaherpesvirus 4).

Of, pertaining to, resembling or containing lymphoblasts

A cell of a lymphoblast

plural of lymphocytosis

(pathology) An increase in the number or proportion of lymphocytes in the blood

a type of leukemia that affects the lymphocytes

Having, or relating to, lymphocytopenia.

plural of lymphocytopenia

(pathology) An abnormally low level of lymphocytes in the blood

Relating to lymphocytopoiesis.