Medical Dictionary

insulin

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insulin

noun in·su·lin \ˈin(t)-s(ə-)lən\

Definition of INSULIN

:  a protein hormone that is synthesized in the pancreas from proinsulin and secreted by the beta cells of the islets of Langerhans, that is essential for the metabolism of carbohydrates, lipids, and proteins, that regulates blood sugar levels by facilitating the uptake of glucose into tissues, by promoting its conversion into glycogen, fatty acids, and triglycerides, and by reducing the release of glucose from the liver, and that when produced in insufficient quantities results in diabetes mellitus—see iletin
March 02, 2015
chatoyant Hear it
Having a changeable luster or color
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