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Claude Bernard
Physiologist

Claude Bernard

Famoose for

Establishing experimental physiology and the idea of the body’s internal environment.

Milieu intérieur · Liver and digestion

Born
12 July 1813
Birthplace
Saint-Julien
Died
10 February 1878

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Claude Bernard

Claude Bernard was a French physiologist whose investigations helped reshape experimental medicine. His concept of the internal environment influenced later accounts of homeostasis.

Early life

Early work

Worked in a pharmacy in Lyon before studying medicine in Paris.

Career

  1. 1841

    Laboratory assistant

    Joined François Magendie at the Collège de France.

  2. 1855

    Professorship

    Succeeded Magendie in the physiology chair.

  3. 1868

    Museum appointment

    Moved to a professorship at the natural-history museum.

Contributions

Milieu intérieur

Developed the concept of the internal conditions supporting living processes.

Liver and digestion

Investigated glycogen production in the liver and the digestive role of pancreatic secretions.

Experimental medicine

Published his influential account of experimental method in medicine.

Beyond research

Early ambition

Wrote plays before choosing a medical career.

Sources & photo creditBiography and career ↗Biographical references ↗

Original photograph. Cropped and displayed in monochrome.

Photo: Unknown authorUnknown author. Public domain · Original image. Cropped and displayed in monochrome.