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Medical Term:


Pronunciation: mi'e-lo'sis


  1. A condition characterized by abnormal proliferation of tissue or cellular elements of bone marrow (multiple myeloma, myelocytic leukemia, myelofibrosis).
  2. A condition in which abnormal proliferation of medullary tissue in the spinal cord is present, as in a glioma.
© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.