myelofibrosis definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Proliferation of fibroblastic cells in bone marrow, causing anemia and sometimes enlargement of the spleen and liver.
myelofibrosis - Medical Definition
Fibrosis of the bone marrow associated with myeloid metaplasia, leukoerythroblastosis, and thrombocytopenia. Also called myelosclerosis.