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.
Hypochromia is characterized by an increase in central pallor. It is said to be present when greater than 1/2 of the cell diameter has central pallor. Hypochromia is caused by a deficiency in the production of hemoglobin, which is usually the result of iron deficiency caused by chronic hemorrhage. Poikilocytes are frequent in iron-lack anemia and are thought to result from oxidation of the erythrocyte membrane resulting in fragmentation.