noun.
A myeloproliferativedisorder of the bone marrow, in which the marrow undergoes fibrosis.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
fibrosis of the bone marrow
Word Usage
"NEW ORLEANS ― A first-in-its class oral medication provides significant and durable relief for patients with a rare, debilitating and lethal bone marrow disorder called myelofibrosis, researchers at The University of Texas M."