Confidence votes 11. According to Wikipedia, the width of the Atlantic Ocean at its narrowest point is 2,848 kilometers (1,770 mi) between Brazil and Sierra Leone.
Paroxysmal nocturnal hemoglobinuria (PNH) definition and facts. PNH is a rare, chronic disease that causes rapid breakdown of red blood cells and can result in reddish or cola-colored urine, often seen in the early morning after urination. PNH is due to a spontaneous mutation in gene material. PNH is not inherited.
From Wikipedia, the free encyclopedia. Paroxysmal nocturnal hemoglobinuria (PNH), previously MarchiafavaâMicheli syndrome, is a rare, acquired, life-threatening disease of the blood characterized by destruction of red blood cells by the complement system, a part of the body's intrinsic immune system.NH is the only hemolytic anemia caused by an acquired (rather than inherited) intrinsic defect in the cell membrane (deficiency of glycophosphatidylinositol leading to absence of protective proteins on the membrane).