Medical Dictionary

Marey's law

noun Ma·rey's law \ mə-ˈrāz- \

medical Definition of Marey's law

: a statement in physiology: heart rate is related inversely to arterial blood pressure

Biographical Note for marey's law

  • Marey \mȧ-rā\, Étienne–Jules (1830–1904), French physiologist. Marey contributed greatly to the development of experimental physiology. In 1860 he invented the sphygmograph, an instrument for recording the features of the pulse and variation in blood pressure on a graph. In 1861 he formulated Marey's law. He was the first to realize the relationship between blood pressure and heart rate.

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