V2EX thenar

Thenar

Definition 定义

thenar(名词):指拇指根部的掌侧隆起,也就是手掌靠近拇指那一块较突起的肌肉区域,常称为“拇丘”(thenar eminence)。主要与拇指的对掌、屈曲等动作相关。(也可用于更专业语境指“拇丘肌群”。)

Pronunciation 发音(IPA)

/θinr/

Examples 例句

The cut was on the thenar area of his palm.
伤口在他手掌的拇丘部位。

Repetitive gripping can inflame tendons near the thenar eminence and reduce thumb strength over time.
反复用力抓握可能会使拇丘附近的肌腱发炎,并随着时间推移降低拇指力量。

Etymology 词源

来自新拉丁语 thenar,源头可追溯到古希腊语 thénar(意为“手掌”)。在解剖学里,这个词逐渐专门化,用来指拇指一侧手掌的肌肉隆起区域,与小指侧的 hypothenar(小鱼际/小指丘)相对。

Related Words 相关词汇

Literary Works 文献与作品中的出现

  • Gray’s Anatomy(《格雷氏解剖学》):在手部解剖章节中常出现 thenar/thenar eminence
  • Clinically Oriented Anatomy(《临床应用解剖学》):在手部功能与神经支配(如正中神经与拇丘肌)相关内容中使用该词。
  • Netter’s Atlas of Human Anatomy(《奈特人体解剖图谱》):图谱标注手掌肌群时常见 thenar
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