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.
Pulmonary Fibrosis Symptoms, Causes & Risk Factors. Pulmonary fibrosis can develop slowly or quickly. In some people, the disease stays the same for years. Usually, a person's breathing symptoms become worse over time. A person with pulmonary fibrosis eventually may be short of breath even at rest.