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Medical Terminology Daily (MTD) is a blog sponsored by Clinical Anatomy Associates, Inc. as a service to the medical community, medical students, and the medical industry. We post anatomical, medical or surgical terms, their meaning and usage, as well as biographical notes on anatomists, surgeons, and researchers through the ages. Be warned that some of the images used depict human anatomical specimens.

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A Moment in History

Antoine Louis
(1723–1792)

French surgeon, anatomist, and physiologist. Following his medical studies and a long career as a physiologist, Antoine Louis was named Permanent Secretary of the Royal French Academy of Surgery. His other titles were those of Professor of the Royal Academy, Consultant Surgeon of the Armies of the King, member of the Royal Society of Sciences of Montpellier, Inspector of the Royal Military Hospitals, and Doctor in Law of the University of Paris. As a member of these academies Louis was instrumental in the design and construction of the guillotine. Initially called the "Louisette", this device was later named after another French physician in the same committee, Dr. Joseph-Ignace Guillotin.

Antoine Louis' name is better know to history as the eponymic origin of the "sternal angle" also know as the "Angle of Louis" and synonymously (probably by misspelling or translation) the "angle of Lewis", and "angle of Ludwig". This anatomical landmark is extremely important as it serves as a superficial landmark for important anatomical occurrences (click here).

As a point of controversy, there are some that contest the history of this eponym adjudicating it to Pierre Charles Alexander Louis (1787-1872), another French physician dedicated to the study of tuberculosis.

Sources:
1. Srickland, N; Strickland A Angle of Louis, More Than Meets the Eye. MedTalks:
2. Ramana, R. K., Sanagala, T. and Lichtenberg, R. (2006), A New Angle on the Angle of Louis. Congestive Heart Failure, 12: 197–199
3
. "The origin of Medical Terms" Skinner, HA; 1970


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Prof. Claudio R. Molina, Msc.

Prof. Maria F. Cortés, DDS, MSc

Prof. Claudio Rodrigo Molina Osorio, MsC. iss a Physical Therapist, has a Masters degree in Biomedical Sciences, and is a Professor in the Human Anatomy Department of the Medical School at the Finis Terrae University in Santiago, Chile.

He is also a Postgraduate teacher for students of the “Anatomical Bases of Normal Imaging” diploma program at the Medical school of the same university.

Clinical Anatomy Associates, Inc is proud to have Dr. Cortés as a contributor to "Medical Terminology Daily" and as a consultant to our team.


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Claudio Rodrigo Molina Osorio
Finis Terrae University
1509 Pedro de Valdivia Avenue
7501015 RM Providencia
Santiago, CHILE


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