Medical Definition of Glutamine

  • 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.

Glutamine: An amino acid, one of the 20 building blocks of protein. Glutamine is present in plant and animal proteins. It can be synthesized by the body and is therefore not essential to the diet. Glutamine serves as an important carrier of ammonia and contributes it to the formation of urea and purines (which are essential to make DNA and RNA). Glutamine is broken down in the kidney. It was isolated in 1833 from beet juice but not synthesized until 1933. Symbol: Gln.

Reviewed on 9/7/2018

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