V2EX baroreflex

Baroreflex

释义 Definition

压力感受性反射(压力反射):机体通过压力感受器(baroreceptors)监测血压变化,并迅速调节心率、心肌收缩力与血管舒缩来稳定血压的反射机制(属于自主神经系统调控的一部分)。

发音 Pronunciation (IPA)

/broriflks/

例句 Examples

The baroreflex helps keep your blood pressure stable when you stand up.
当你站起来时,压力反射会帮助维持血压稳定。

In patients with autonomic dysfunction, an impaired baroreflex can lead to sudden drops in blood pressure and dizziness upon standing.
在自主神经功能障碍患者中,压力反射受损可能导致站立时血压突然下降并出现头晕。

词源 Etymology

baro- 来自希腊语 baros,意为“重量、压力”;reflex 来自拉丁语 reflectere,有“反射、反回”的含义。合起来指“由压力变化引发的反射性调节”。

相关词 Related Words

文学与名著用例 Literary Works

  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》)中讨论动脉压力调节时常提到 baroreflex
  • Ganong’s Review of Medical Physiology(《甘农医学生理学》)在“心血管反射/血压调控”章节中使用该术语。
  • Boron & Boulpaep Medical Physiology(《博龙与布尔帕普医学生理学》)在自主神经与循环调控部分多次出现 baroreflex
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