Potentiation by hypoxia of contractions caused by angiotensin II in dog and monkey cerebral arteries.

Abstract

BACKGROUND AND PURPOSE Hypoxia alters the responsiveness to endogenous substances of cerebral arteries, possibly resulting in the modulation of blood supply to ischemic brain regions. The present study was undertaken to analyze the mechanism of potentiation by hypoxia of angiotensin II-induced cerebroarterial contractions. METHODS Monkey and dog cerebral… (More)

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