V2EX alpha-blocker

Alpha-Blocker

释义 Definition

α受体阻滞剂(α受体拮抗剂):一类药物,通过阻断肾上腺素能α受体来放松血管平滑肌、降低血压;也常用于缓解前列腺增生引起的排尿困难等症状。(在不同语境下也可指“阻断α受体作用的物质”)

发音 Pronunciation

/lf blkr/

例句 Examples

Alpha-blockers can lower blood pressure.
α受体阻滞剂可以降低血压。

After the diagnosis, his doctor prescribed an alpha-blocker to ease urinary symptoms caused by an enlarged prostate.
确诊后,医生给他开了α受体阻滞剂,以缓解前列腺增大导致的排尿症状。

词源 Etymology

alpha- 来自希腊字母 α(alpha),在生理学中常用来标记受体亚型(如 α、β);blocker 来自动词 block(阻挡),表示“阻断作用的药物/物质”。组合后字面义即“阻断α(受体)的药物”。

相关词 Related Words

文学作品 Literary Works

在经典文学作品中并不常见(属于现代医学/药理学术语),更常见于医学教材、药品说明书、临床指南与科普健康读物中。

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