Giovanni Alfonso Borelli

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Borelli, Giovanni Alfonso

 

Born Jan. 28, 1608, in Naples; died Dec. 31, 1679, in Rome. Italian naturalist. Professor at the universities of Messina (1649) and Pisa (1656). Did research in the fields of physics, astronomy, and physiology.

In 1670, Borelli established the inverse relationship between the height of a volume of fluid in a capillary tube and its diameter. He invented the heliostat. In his work on the movement of the planets (1666) he put forth the proposition that the movements of heavenly bodies are caused by the interaction of two forces—centrifugal and centripetal. Borelli was a major figure in iatromechanics. He worked out problems of anatomy and physiology from the point of view of mathematics and mechanics. He proved that the movements of the extremities and parts of the body in humans and animals in lifting weights, walking, running, and swimming can be explained by the principles of mechanics. He was the first to interpret the movement of the heart as a muscular contraction; he established the passivity of lung expansion by studying the mechanics of movements of the thorax.

WORKS

De motu animalium, vol. 1. Rome, 1680–81.

REFERENCES

Rosenberger, F. Istoriia fiziki, 2nd ed., part 2. Moscow-Leningrad, 1937. (Translated from German.)
Nordenskiöld, E. Die Geschichte der Biologie. Jena, 1926.
References in periodicals archive ?
En el siglo XVII, Giovanni Borelli y Manuel de Porras dividieron al musculo en tercios: una parte inicial o cabeza, una parte media o vientre y una parte final o cola.
Anos despues Giovanni Borelli (1608-1679), en su libro De Motu Animalium, uno de los primeros textos en describir el movimiento de los animales, analizo el funcionamiento de los musculos incluyendo la matematica y la fisica.
As a result, Malpighi can no longer be construed simply as a Cartesian mechanist whose views were shaped by his teacher Giovanni Borelli. Domenico Bertoloni Meli argues that the influence of Gassendi on Malpighi distinguished his work from that of his mentor Borelli, and Anita Guerrini differentiates in broad strokes the various, different emphases that characterize the medical mechanists from Borelli to Pitcairne.