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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Book: "In the shadow of Vesalius"

In the shadow of Vesalius cover
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This is a new, as yet unpublished, book authored by several of my good friends who with me follow Vesaliana all over the world. There are too many of my friends to count, but I highly recommend this book. Dr. Miranda

In this richly illustrated book, a multitude of academic scholars present new findings concerning Andreas Vesalius Bruxellensis  and his contemporaries. One of those discoveries includes a preparatory sketch by Jan Steven van Calcar for a drawing in Vesalius’ famous ‘Fabrica’, called ‘The Philosopher’.

Included are authentic letters, written by Vesalius to his friends Benedetto Varchi and Octavo Landi, are presented and translated for the first time and are thoroughly discussed, shedding new light on crucial periods of Vesalius’ life like his leave from academic Padua, exchanged  for imperial service to Charles V, or his contribution in the treatment of Philips II’s son, crown prince Carlos in Spain.

Anatomical novelties, discovered by Vesalius’ friends and contemporaries, are equally broadly exposed, like Canani’s input in human arm musculature or Valverde’s ‘corrections’ of Vesalius’ Epitome. Valverde’s publication became one of the greatest ‘bestsellers’ in anatomy during the 16th and 17th century, thereby spreading the ‘Vesalian Revolution’ all over Europe.  But also, the relationship between Vesalius and his Paduan room mate John Kay or Caius is explicated, as are a number of family descendants of Vesalius.

That Vesalius influenced artists in anatomical models and drawings is newly acknowledged in this book, as well as his influence on veterinary medicine.

In short, an inspiring new account of Vesalius’ extraordinary long-term influence on anatomy, science and art in general. One interesting point is that until now, many of the series of articles that composes the book where only available in Greek!

Jacqueline Vons (Emer. Professor of Latin and Medical History, University of Tours, France) comments "Centered around the figure of Andreas Vesalius (1514-1564), this book ‘In the Shadow of Vesalius’ offers a vast panorama of the anatomical knowledge in Europe during early Modern times.

Pascale Pollier
Pascale Pollier-Green

Some new documents and private letters have been discovered and are finely analyzed, as are anatomical books written by contemporaries and successors of Vesalius. The studies gathered here show how the text and iconography’s diffusion of De Humani Corporis Fabrica and Epitome made Vesalius the first modern medical authority (auctoritas): his work was quoted, copied, discussed by all those who were interested in the anatomy of the human body."

Click here to download a PDF file with a description of the book, the Table of Contents, and the information to pre-order this book which will be launched on November 14, 2020. To order a book at a pre-launch discounted price, you can go directly to the publisher's website (http://garant.be/shadow-of-vesalius/).

Pascale recently wrote an article looking back at how this book came to be. Here is the story of "The Long Road to the book "In the Shadow of Vesalius"