<oncology, tumour> A malignant tumour composed of plasma cells of the type normally found in the bone marrow. ... (18 Nov 1997) ... Found on http://www.encyclo.co.uk/local/20973
(mi″ә-lo´mә) a tumor composed of plasma cells of the type normally found in the bone marrow. multiple myeloma. giant cell myeloma giant cell tumor (def. 1). plasma cell myeloma multiple myeloma. sclerosing myel... Found on http://www.encyclo.co.uk/local/21001
A cancer of the plasma cells in the bone marrow. It is sometimes called multiple myeloma. See myeloma section. Found on http://www.encyclo.co.uk/local/21474
a tumor of plasma cells, arising in bone marrow, and often occurring at multiple sites, as in the vertebrae and flat skull bones. Cf. Found on https://www.infoplease.com/dictionary/myeloma