Medical Dictionary

baroreflex

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noun baro·re·flex \ˈbar-ō-ˌrē-ˌfleks\

Medical Definition of baroreflex

  1. :  the reflex mechanism by which baroreceptors regulate blood pressure that includes transmission of nerve impulses from the baroreceptors to the medulla in response to a change in blood pressure and that produces vasodilation and a decrease in heart rate when blood pressure increases and vasoconstriction and an increase in heart rate when blood pressure decreases—called also baroreceptor reflex


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