Medical Definition of Signature

  • Medical Author:
    Melissa Conrad Stöppler, MD

    Melissa Conrad Stöppler, MD, is a U.S. board-certified Anatomic Pathologist with subspecialty training in the fields of Experimental and Molecular Pathology. Dr. Stöppler's educational background includes a BA with Highest Distinction from the University of Virginia and an MD from the University of North Carolina. She completed residency training in Anatomic Pathology at Georgetown University followed by subspecialty fellowship training in molecular diagnostics and experimental pathology.

Signature: That part of the prescription that contains the doctor's directions to the patient. For example, the signature might say "take twice daily with food". Also known as the sig..

The word "signature" comes from the Latin "signare" meaning "to sign or mark."

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Reviewed on 10/30/2018

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