V2EX ulna

Ulna

释义 Definition

尺骨:前臂两根长骨之一,位于小指一侧(与拇指侧的桡骨 radius 相对),参与构成肘关节与腕关节,并为多块肌肉提供附着点。

发音 Pronunciation (IPA)

/ln/

例句 Examples

The doctor examined his ulna after the fall.
医生在他摔倒后检查了他的尺骨。

The fracture ran along the ulna, making it painful to rotate his forearm and lift anything heavy.
骨折沿着尺骨延伸,使他旋转前臂和提重物时都很疼。

词源 Etymology

ulna 来自拉丁语 ulna,原意与“前臂/肘部、尺(长度单位)”相关;因为古代常以手臂长度作度量,“ulna”逐渐用于指代前臂中的这根骨头,即今天的“尺骨”。

相关词 Related Words

文学作品中的用例 Literary Works

  • Herman Melville《白鲸》(Moby-Dick)(书中出现 ulna 等解剖学词汇,用于描写身体与骨骼意象)
  • Thomas Hardy《德伯家的苔丝》(Tess of the d’Urbervilles)(作品中可见 ulna 这类较学术的身体词汇,用于细节描写)
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