A nodular focus or fairly well-circumscribed, relatively dense accumulation of myelocytes, as in certain tissues of persons with myelocytic leukaemia. ... Origin: myelocyte + G. -oma, tumour ... (05 Mar 2000) ... 
(mi″ә-lo-si-to´mә) myeloma.
Type: Term Pronunciation: mī′ĕ-lō-sī-tō′mă Definitions: 1. A nodular focus or fairly well-circumscribed, relatively dense accumulation of myelocytes, as in certain tissues of persons with myelocytic leukemia.