plateletpheresis - platelets are separated from whole blood and the rest is returned to the donor. pheresis, apheresis - a procedure in which blood is drawn and separated into its components by dialysis; some are retained and the rest are returned to the donor by transfusion.
Webster Dictionary(0.00 / 0 votes)Rate this definition: Iodine(noun) a nonmetallic element, of the halogen group, occurring always in combination, as in the iodides. When isolated it is in the form of dark gray metallic scales, resembling plumbago, soft but brittle, and emitting a chlorinelike odor.
Iodine. trace mineral; a part of two thyroid hormones that help regulate growth, development, and metabolic rate; deficiencies may cause goiter, underactive thyroid gland, cretinism (mental, physical retardation) in infants; sources are iodized salt, seafood, bread, dairy; toxicity symptoms mirror deficiency symptoms.