Define in session: in the process of meeting formally; conducting classes â in session in a sentence in the process of meeting formally; conducting classesâ¦ See the full definition
This condition can be caused by certain medications and by infections. In some cases, it is caused by a cancer or precancerous condition. Myelofibrosis, bone marrow scarring that can result from various hematologic cancers, typically leads to low blood counts. Pancytopenia can also be caused by aplastic anemia, a bone marrow failure disorder that affects blood cell production.
In all forms of MDS, a bone marrow problem leads to low levels of blood cells circulating in the bloodstream. â 1 Myeloâ refers to bone marrow, which is the bodyâs blood-cell factory. â 2 Dysplasticâ refers to abnormal growth or development.ventually they mature into red blood cells (RBCs), white blood cells (WBCs), or platelets. These get released from the marrow to circulate in the bloodstream. The circulating cells perform important functions. 1  RBCs carry oxygen throughout the body. 2  WBCs fight infection.