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Medical Definition of Globin zinc insulin
1. A sterile solution of insulin modified by the addition of zinc chloride and globin; it contains 40 or 80 units per ml; duration of action is about 18 hours. Human insulin, a protein that has the normal structure of insulin produced by the human pancreas, prepared by recombinant DNA techniques and by semisynthetic processes. Immunoreactive insulin (IRI), that portion of insulin in blood measured by immunochemical methods for the hormone; presumed to represent the free (unbound) and biologically active fraction of total blood insulin. Isophane insulin, a modified form of insulin composed of insulin, protamine, and zinc; an intermediately acting preparation used for the treatment of diabetes mellitus. Synonym: NPH insulin. (05 Mar 2000)