Orange juice is the liquid extract of the fruit of the orange tree, extracted by squeezing oranges. It comes in several different varieties, including blood orange. In American English, the beverage name may be abbreviated as OJ.
Summary Summary. Listen. Myelofibrosis is a disorder of the bone marrow, in which the marrow is replaced by fibrous (scar) tissue. When the bone marrow is scarred, it cannot make enough blood cells. This leads to anemia, weakness, fatigue, and often, swelling of the liver and spleen.
Myelofibrosis Symptoms May Vary. The more common symptoms of myelofibrosis, such as tiredness (fatigue), itching, and night sweats, may come and go, or they may be more severe at certain times.