| 释义 |
beta-adrenoceptor
Thesaurus| Noun | 1. |  beta-adrenoceptor - receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)beta receptor, beta-adrenergic receptorsympathetic nervous system - originates in the thoracic regions of the spinal cord; opposes physiological effects of the parasympathetic: reduces digestive secretions; speeds the heart; contracts blood vesselsreceptor - a cellular structure that is postulated to exist in order to mediate between a chemical agent that acts on nervous tissue and the physiological response |
beta-adrenoceptor
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.beta-adrenoceptor
Synonyms for beta-adrenoceptornoun receptors postulated to exist on nerve cell membranes of the sympathetic nervous system in order to explain the specificity of certain agents that affect only some sympathetic activities (such as vasodilation and increased heart beat)Synonyms- beta receptor
- beta-adrenergic receptor
Related Words- sympathetic nervous system
- receptor
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