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Definition of Insulin

  • Medical Author:
    William C. Shiel Jr., MD, FACP, FACR

    Dr. Shiel received a Bachelor of Science degree with honors from the University of Notre Dame. There he was involved in research in radiation biology and received the Huisking Scholarship. After graduating from St. Louis University School of Medicine, he completed his Internal Medicine residency and Rheumatology fellowship at the University of California, Irvine. He is board-certified in Internal Medicine and Rheumatology.

Insulin: A natural hormone made by the pancreas that controls the level of the sugar glucosein the blood. Insulin permits cells to use glucose for energy. Cells cannot utilize glucose without insulin.


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Reviewed on 12/13/2018

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