The presence of unusually large numbers of lymphocytes or their precursors, or both, in the circulating blood. ... Origin: Lymph(ocyte) + G. Haima, blood ... (05 Mar 2000) ... 
Type: Term Pronunciation: lim-fē′mē-ă Definitions: 1. The presence of unusually large numbers of lymphocytes or their precursors, or both, in the circulating blood.