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François Pourfour du Petit
François Pourfour du Petit was the son of a merchant and lost his parents when he was still a child. He received his early classical education at the Collège de Beauvais and then travelled through Belgium and Germany to undertake private studies. He enrolled at the University of Montpellier in and received his medical degree from that university in It is not known how he supported himself before he graduated.
It is said that he met a man named Blondin, a distinguished amateur, who gave Pourfour access to his library and encouraged him to get a medical education.
Following graduation, Pourfour du Petit continued his medical and scientific studies in Paris and completed his surgical training at the Charité hospital. While at Paris he attended the public lectures at the Jardin du Roi by Joseph-Guichard Duverney () in anatomy; Joseph Pitton de Tournefort () in botany; and Nicholas Lemery () in chemistry.
Between and he served for extended periods as a physician in the armies of Louis XIV.
He joined the army in Flanders in and in , after the peace in Ryswyk, he worked as a physician in various military hospitals.
Fourfour du petit biography of rory van Pountney, David Willoughby. Poverty and Education. Petit was born in Paris and was orphaned at an early age. Calhoun's first public appearance was at the premiere of "Spellbound" , where he escorted Lana Turner.It was during this war service that he carried out some of his most important physiological investigations. After the Peace of Utrecht in he returned to Paris and established himself as an eye specialist.
Pourfour du Petit is especially associated with the physiological experiments carried out at Namur between and at the Hôpitaux du Roi, and at Paris during the mid's.
In at Namur he showed that the origin of the sympathetic nerve was not the cranium.
Fourfour du petit biography of rory PMID Pound, Roscoe — Ekaterina Kmit. It is remarkable that, although his results were definitive, they were largely ignored until the nineteenth century.He carried out this experiment for members of the Académie in He was a member of the Académie Royale des Sciences from until his death in His son, Étienne-Pourfour du Petit became a physician.
In Trois lettres d’un médecin () he described the head wounds and symptoms of paralysis of soldiers brought to him as patients.
After many observations and post-mortem dissections, the results of which he confirmed on dogs, he concluded that the movements of a limb are effected by animal spirits supplied by the side of the brain opposite the limb and that paralysis is complete only after the destruction of the contralateral corpus striatum.
Pourfour du Petit’s other experiments were concerned with the origin of the sympathetic nerve, then called the intercostal.
Through brilliant experiments on dogs, he showed that whatever the site of superficial origin of the sympathetic chain, it was not in the cranium. Thus he demolished the erroneous view that the sympathetic system was an outflow of one of the cranial nerves. It is remarkable that, although his results were definitive, they were largely ignored until the nineteenth century.