Medical Terminology Daily (MTD) is a blog sponsored by Clinical Anatomy Associates, Inc. as a service to the medical community. 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

Jean-Louis Petit

Jean Louis Petit
(1674 – 1750)

French surgeon and anatomist, Jean Louis Petit was born in Paris in on March 13, 1674.  His family rented an apartment at his house to Alexis Littre (1658 – 1726), a French anatomist. Petit became an apprentice of Littre at seven years of age, helping him in the dissections for his lectures and at an early age became the assistant in charge of the anatomic amphitheater.

Because of Petit’s dedication to anatomy and medicine, in 1690 at the age of sixteen, became a disciple of a famous Paris surgeon, Castel.

In 1692, Petit entered the French army and performed surgery in two military campaigns. By 1693 he started delivering lectures and was accepted as a great surgeon, being invited to the most difficult operations.  In 1700 he was appointed Chief Surgeon of the Military School in Paris and in the same year he received the degree of Master of Surgery from the Faculty of Paris.

In 1715 he was made a member of the Royal Academy of Sciences and an honorary member of the Royal Society of London. He was appointed by the King as the first Director General of the Royal Academy of Surgery when it was founded in 1731.

Petit’s written works are of historical importance.  “Traite des Maladies des Os” ( A Treatise on Bone Diseases);  “Traite des Maladies Chirurgicales et des Operation” (A Treatise on Surgical Diseases and their Operations” This last book was published posthumously in 1774. He also published a monograph on hemorrhage, another on lachrymal fistula, and others.

He was one of the first to perform choIecystotomy and mastoidotomy. His original tourniquet design for amputations saved many in the battlefield and the design of the same surgical instrument today has not changed much since its invention by him.

His name is remembered in the lumbar triangle, also called the "triangle of Petit", and the abdominal hernia that can ensue through that area of weakness, the lumbar hernia or "Petit's hernia".

Sources:
1. “Jean Louis Petit – A Sketch of his Life, Character, and Writings” Hayne, AP San Fran Western Lancet 1875 4: 446-454
2. “Oeuvres compl?tes de Jean-Louis Petit” 1837 Imprimerie de F. Chapoulaud
3. Extraits de l'eloge de Jean-Louis Petit Ius dans Ia seance publique de I' Academie royale de chirurgie du 26 mai 1750” Louis A. Chirurgie 2001: 126 : 475- 81


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Accounting for Vesalius’ Fabrica

UPDATED: We have discussed many times on this blog the importance of Andreas Vesalius (1514 – 1564), his impact on modern science and anatomy, and the influence of his opus magnum publication in 1543, the Fabrica. The complete name of this publication is “De Humani Corporis Fabrica, Libri Septem” (Seven books on the structure of the human body).

Harvey Cushing wrote in his Vesalius bio-bibliography of 1943:”As a book, the Fabrica has been probably more admired and less read than any publication of equal significance in the history of science”.

The first (1543) and second (1555) editions of the Fabrica were published in Basel, Switzerland by Johannes Oporinus (1507 – 1568). With few exceptions, the Fabrica was sold as an unbound book and it was the owner’s responsibility to bind the book. One of the exceptions was the sumptuous purple silk-bound presentation copy delivered to the Emperor Charles V. As an interesting note, a Fabrica was discovered in Canada that was heavily annotated and as such had a low value. Who wants a book that of this importance that is so heavily hand-written? Analysis of the writing and style indicate that this copy belonged to Vesalius himself and was most probably the basis for a third edition that was never published. The annotations are used in the "New Fabrica" and if you are interested,  here is a PDF file of a 2014 article on this topic.

Andreas Vesalius Bruxellensis
Today we do not know how many books were actually printed as part of the first and the second edition of the Fabrica. Because of the time passed, lost or damaged books, during the last century efforts have been made to inventory the number of Fabricas still in existence, in studies made by Cushing in 1943 and Horowiz and Collins in 1984.The latest effort to account for the total number of these books was made by Stephen N. Joffe, MD, and Veronica Buchanan, MA in 2015 for both the 1543 and the 1555 editions of the Fabrica. Their papers were presented in February 2015 at the interdisciplinary symposium “Vesalius and the Invention of the Modern Body” in St. Louis Mo.

Dr. Joffe  is the author of the book “Andreas Vesalius: The Making, the Madman, and the Myth”. Veronica Buchanan is the Archivist at the University of Cincinnati Henry R. Winkled Center for the History of the Health Professions.

The authors of these papers estimate that there are 64 complete copies surviving of the estimated 300 – 500 first edition printed in 1543. While a similar printing run is estimated for the 1555 edition, only 58 complete copies survive in the USA The papers can be read and downloaded on the following links:

"Updated Census in USA of First Edition of Andreas Vesalius’ ‘De Humani Corporis Fabrica’ of 1543”
READ DOWNLOAD 

 “An Updated Census of the Edition of 1555 of Andreas Vesalius’ De Humani Corporis Fabrica in the United States of America” READ DOWNLOAD

Note: The following link was sent to me by Dr. Elizabeth Murray and refers to the study by Joffe and Buchanan. The article “Accounting for an Historic Text” is from the University of Cincinnati Newsletter. Dr. Miranda

Sources
1. “Updated Census in USA of First Edition of Andreas Vesalius’ ‘De Humani Corporis Fabrica’ of 1543” Joffe, SN; Buchanan V. International Archives of Medicine; 2015: 8:1
2. “An Updated Census of the Edition of 1555 of Andreas Vesalius’ De Humani Corporis Fabrica in the United States of America” International Archives of Medicine; 2015: 8:1
3. Cushing, Harvey: A Bio-bibliography of Andreas Vesalius 2nd edition. Hamden: Conn.
4. Garrison, Daniel H., Hast, Malcom H.: Andreas Vesalius: The Fabric of the Human Body. Published S. Karger, Basel; 2014
5. "Andreas Vesalius; The Making, the Madman, and the Myth" Joffe, Stephen N. Persona Publishing 2009

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