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RELATIONSHIP BETWEEN NIFEDIPINE SENSITIVITY OF AORTAE AND BLOOD PRESSURE OF STROKE‐PRONE SPONTANEOUSLY HYPERTENSIVE RATS

1. We have previously described an increased sensitivity to inhibition by nifedipine of noradrenaline‐induced contractures of blood vessels in hypertension. In this study we have investigated whether changes in blood pressure (BP) change the sensitivity to nifedipine and K+ of aortic rings from normotensive (Wistar‐Kyoto rats, WKY) and stroke‐prone spontaneously hypertensive rats (SHRSP).