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(săngktôr`ēəs), Ital. Santorio, 1561–1636, Italian physiologist. He was a professor at Padua (1611–24). By his quantitative experiments in temperature, respiration, and weight, he measured what he called "insensible perspiration" and laid the foundation for the study of metabolism. Among the instruments that he designed was a clinical thermometer. He wrote De statica medicina (1614; tr. 5th ed. 1737).



(also Santorio Santorio). Born Mar. 29, 1561; died Feb. 22, 1636, in Venice. Italian physician, anatomist, physiologist, and noted iatrophysicist.

Sanctorius was a professor at the University of Padua. He practiced medicine in Poland, Hungary, and Croatia. His principal investigations dealt with human metabolism. Sanctorius gave special attention to the study of respiration and “insensible perspiration” from the skin surface. In experiments that he conducted on himself, he strove to establish and render in quantitative indexes all physiological processes in the body.

Sanctorius invented many measuring instruments, including an instrument for measuring the force of arterial pulsation and a scale for systematically observing weight changes in humans under various conditions. In 1626, together with Galileo, he constructed the first mercury thermometer. Sanctorius correlated his research in the book De statica medicina (1614).


Zubov, V. P. “Santorio Santorio.” Voprosy istorii estestvoznaniia i tekhniki, 1962, issue 13.