V2EX bathmotropic

Bathmotropic

释义 Definition

bathmotropic(形容词,生理/心脏电生理)指影响(尤其是提高或降低)心肌或神经组织“兴奋性/可激发性”(excitability)的。在心脏语境中常说positive bathmotropic effect(正性变阈作用:更易被激发)negative bathmotropic effect(负性变阈作用:不易被激发)
(该词较专业,主要见于医学、生理学与药理学文献。)

发音 Pronunciation (IPA)

/bθmtrpk/ , /bθmtropk/

例句 Examples

Epinephrine can have a positive bathmotropic effect on the heart.
肾上腺素可能对心脏产生正性变阈作用(使心肌更易被激发)。

By increasing calcium entry and altering membrane properties, the drug produced a bathmotropic change that lowered the threshold for action potentials in cardiac tissue.
通过增加钙离子内流并改变膜特性,这种药物引起了变阈性的改变,降低了心肌组织触发动作电位的阈值。

词源 Etymology

来自希腊语词根 bathmos(“阈、阶、门槛”的含义,常被理解为“阈值”相关)+ -tropic(“影响、使发生变化”的后缀,见于 inotropic/chronotropic 等)。整体含义即“与阈值/兴奋性变化有关的”。

相关词 Related Words

文献与作品中的用例 Literary / Notable Works

  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》):在心肌电生理/自主神经对心脏影响的讨论中常与 inotropic/chronotropic 并列出现。
  • Katzung & Trevor’s Basic & Clinical Pharmacology(《卡岑格基础与临床药理学》):在拟交感药、抗心律失常药等章节中可见该术语用于描述“兴奋性/阈值”改变。
  • Boron & Boulpaep Medical Physiology(《博隆-布尔帕普医学生理学》):与膜电位、动作电位阈值与心肌兴奋性相关内容中可能出现该词或对应概念用法。
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