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: An element in the diet that is essential for the manufacture of hormones by the thyroid gland. The thyroid gland uses iodine to make thyroxine (T4), which has four iodine molecules attached to its structure, and triiodothyronine (T3), which has three iodine molecules attached.Iodine is found in seafood, bread, iodized salt, and seaweed.he thyroid gland uses iodine to make thyroxine (T4), which has four iodine molecules attached to its structure, and triiodothyronine (T3), which has three iodine molecules attached. Iodine is found in seafood, bread, iodized salt, and seaweed.