Franciscus of Boë Sylvius

Franciscus of Boë Sylvius (Hanau, March 15th 1614 - Leiden November 16th 1672) was a Médecin and anatomist Dutch.

Sylvius was doctor and follower of the theories of Descartes and Van Helmont. He studied in universities Dutchwomen and allemandes and obtained his title in 1637 with Basle (Suisse). Then, he exerted in Hanau and Amsterdam. In 1658, Sylvius became professor of medicine in Leiden. It joins together around him a research team, among whom Reinier de Graaf and Jan Swammerdam.

One can consider that Sylvius is one of the pioneers of modern clinical chemistry. It found that the chemical processes played a big role in the Human body and it deduced from it that the study of these processes could contribute to the quality of the diagnosis and the treatment. At that time, it was agssait from a point of view very prone to controversy, and its ideas were criticized by many scientific colleagues. In 1669, it founded with the Université of Leiden the first university laboratory of chemistry in Europe. It returned the iuniversity of Leiden literally universally known by its teaching of the Iatrochimie (: “chemistry of the doctor”), and by his enthusiasm it attracted many students of many countries.

Sylvius was the first to draw up a direct link between the pulmonary nodules at the patient tuberculous and the disease itself. He also studied the influence of salts on the Digestion. He described the thin tube between the third and the fourth lobe of the brain, which one calls maintanant “Aquaduct van Sylvius”.

It is affirmed that Sylvius was the first to distill Genièvre, without that being able to be established with certainty. In all manners, he was expert in the composition of medicinal potions and would have baptized one of them of it towards 1650 “juniper” (French in the text! ) like precursor of current drink.

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