Friedrich Bidder

Friedrich Bidder
Friedrich Bidder
Born	9 November [O.S. 28 October] 1810; Treppenhof Manor, Treppenhof, Kreis Walk, Governorate of Livonia, Russian Empire; (in present-day Trapene, Ape Municipality, Latvia)
Died	27 August [O.S. 15] 1894 (aged 83); Dorpat, Kreis Dorpat, Governorate of Estonia, Russian Empire; (present-day Tartu, Tartu County, Estonia)
Nationality	Baltic German
Alma mater	Imperial University of Dorpat
	Scientific career
Fields	physiology and anatomy
Institutions	Imperial University of Dorpat
Doctoral students	Karl Wilhelm von Kupffer

Georg Friedrich Karl Heinrich Bidder (9 November [O.S. 28 October] 1810 – 27 August [O.S. 15] 1894) was a Baltic German physiologist and anatomist from what was then the Governorate of Livonia in the Russian Empire.

In 1834 he received his doctorate from the University of Dorpat, where he became a professor of anatomy (1842), and physiology and pathology (1843). He was a corresponding member (1857) and honorary member (1884) of the Saint Petersburg Academy of Sciences (today Russian Academy of Sciences). He was the president of the Naturalists' Society at the University of Dorpat from 1877 to 1890.

Bidder is primarily remembered for his studies of nutrition and gastric physiology. From 1847 to 1852 he performed physiological-chemical studies of digestive juices and metabolism with chemist Carl Ernst Heinrich Schmidt (1822-1894). He also conducted important investigations of the sympathetic nervous system with Alfred Wilhelm Volkmann (1801-1877) and of the spinal cord with Karl Wilhelm von Kupffer (1829-1902).

Bidder's name is associated with two anatomical structures:

"Bidder's ganglia": Ganglia located at the lower end of the atrial septum; sometimes called the ventricular ganglia.
"Bidder's organ": A spherical, brownish reproductive organ of male toads.

References

Physiological-Chemical Research of Bidder and Schmidt
Official site of Russian Academy of Sciences. Bidder Fridrikh Genrikh
Russian: Биддер Генрих-Фридрих. Brockhaus and Efron Encyclopedic Dictionary. 1890–1907.
German: Achard Thomas, Der Physiologe Friedrich Bidder, Zürich, Juris Druck + Verlag, 1969

Preceded by Eduard Haffner	Rector of University of Dorpat 1858–1865	Succeeded by Hermann Guido von Samson-Himmelstjerna

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