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Medical Definition of Laplace's law
1. The equilibrium relationship between transmural pressure difference (dP), wall tension (T), and radius of curvature (R) in a concave surface; for a sphere: dP = 2T/R; for a cylinder: dP = T/R. (05 Mar 2000)
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1. The equilibrium relationship between transmural pressure difference (dP), wall tension (T), and radius of curvature (R) in a concave surface; for a sphere: dP = 2T/R; for a cylinder: dP = T/R. (05 Mar 2000)