beta-adrenoceptor


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beta-adrenoceptor

One of the many the receptor sites at which noradrenaline and other hormones act to cause muscle to contract or relax. Beta-adrenoceptors occur in blood vessels, in the heart, in the bronchi, in the intestines, in the bladder, in the womb and elsewhere. The effect of the hormones at these sites can be prevented by beta-blocker drugs.
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