Medical Definition of Extrinsic

  • 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.

Extrinsic: 1. Not an essential or inherent part of a something such as a structure.
2. Coming from the outside. Extrinsic forces can mold the head before birth.
From the Latin extrinsecus meaning from outside. The opposite of extrinsic is intrinsic.

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Reviewed on 12/21/2018

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