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.
203 FOLDS. The term fold is used when one or stacks of originally flat and planar surfaces such as sedimentary beds become bent or curved as a result of plastic (i.e. permanent) and ductile deformation. Folds in rocks vary in size from microscopic crinkles to mountain-size folds.