Starling's law

Starling's law
a law stating that a muscle, including the heart muscle, responds to increased stretching at rest by an increased force of contraction when stimulated.
E. H. Starling (1866-1927), British physiologist

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Starling's law of the heart the energy liberated with each contraction of the heart is a function of the length of the fibers composing its muscular walls; increased preload causes increased end-diastolic volume (or pressure), which increases the force of ventricular contraction. Called also Frank-Starling l. or mechanism.

Medical dictionary. 2011.

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