2,3-DPG. An organic phosphate in red blood cells that alters the affinity of hemoglobin for oxygen. Blood cells stored in a blood bank lose 2,3-diphosphoglycerate, but once they are infused, the substance is resynthesized or reactivated.
Definition of soft fold. : the fold that results when paper is lapped.
An epicanthal fold is skin of the upper eyelid that covers the inner corner of the eye. The fold runs from nose to the inner side of the eyebrow. Alternative Names. Plica palpebronasalis. Considerations. An epicanthal fold is normal in people of Asian descent. An epicanthal fold is also common in children with Down syndrome. Epicanthal folds may be seen in young children of any race before the bridge of the nose begins to rise. Common Causes