Having to do with, produced by, or resembling the bone marrow. Sometimes used as a synonym for myeloid; for example, acute myeloid leukemia and acute myelogenous leukemia are the same disease. Found on http://www.cancer.gov/dictionary?expand=M
Myelogenous: Referring to the nonlymphocytic groups of white blood cells, including the granulocytes, monocytes and platelets. Synonymous with myeloid. Acute myelogenous leukemia is therefore also known as acute myeloid leukemia. Found on http://www.medterms.com/script/main/art.asp?articlekey=4481