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.
neural fold one of the paired folds lying on either side of the neural plate that form the neural tube. semilunar fold of conjunctiva a mucous fold at the medial angle of the eye. serosal fold (serous fold) a fold of serous membrane.