| 释义 |
baroreceptor
noun[ C ]
anatomy specializeduk /ˌbær.əʊ.rɪˈsep.tər/ us /ˌber.oʊ.rɪˈsep.tɚ/
a nerve ending(= one of the narrow branches at the end of a nerve cell), especially in a blood vessel or in the heart, that reacts to changes in blood pressure:
Long-standing hypertension may reduce baroreceptor sensitivity.
baroreceptor reflexIn younger patients, baroreceptor reflexes compensate to stabilize blood pressure.
An increase in baroreceptor sensitivity has been shown to occur in pregnancy.
As you stand up, baroreceptors located in the walls of blood vessels detect the reduction in blood pressure, stimulating the arterioles to constrict via the sympathetic nervous system.
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The brain & nervous system
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