Myelofibrosis (MF). 1  Is a rare bone marrow cancer. 2  Is a type of chronic leukemia and can occur on its own (primary myelofibrosis) or as a result of another bone marrow disorder. It is one of a related group of blood cancers known as âmyeloproliferative neoplasms (MPNs)â in which bone marrow cells that produce the blood cells develop and function abnormally. 2  The resulting fibrous scar tissue formation leads to severe anemia, weakness, fatigue and an enlarged spleen and liver.
A doughnut or donut (both: /ËdoÊnÉt/ or /ËdoÊnÊt/; see spelling differences) is a type of fried dough confectionery or dessert food.
Doughnut should be used in formal writing. Doughnut is the original and commoner spelling. Donut often appears in commercial contexts (as in Dunkin' Donuts). Doughnut should be used in formal writing. Doughnut is the original and commoner spelling. Donut often appears in commercial contexts (as in Dunkin' Donuts).