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.
Symptoms of cystic fibrosis. The symptoms of cystic fibrosis can vary in severity from person to person. The thick mucus in the body affects a number of organs, particularly the lungs and digestive system. Most cases of cystic fibrosis in the UK are now identified through screening tests carried out early in life, before symptoms appear. Read more about screening for cystic fibrosis.