V2EX incus

Incus

释义 Definition

incus(名词):砧骨。位于中耳的三块听小骨之一,形状类似铁砧,连接锤骨(malleus)镫骨(stapes),把声音振动从鼓膜进一步传递到内耳。(另有较少见含义:某些解剖结构中指“砧状”部分。)

发音 Pronunciation (IPA)

/ks/

例句 Examples

The incus helps transmit sound vibrations through the middle ear.
砧骨帮助将声音振动通过中耳传递。

Damage to the incus can reduce hearing because the chain of tiny bones no longer conducts vibrations efficiently.
砧骨受损会降低听力,因为这些微小骨骼组成的传导链无法高效传递振动。

词源 Etymology

incus来自拉丁语 incus,意为“铁砧”。由于这块听小骨外形像铁砧,解剖学便借用该词作为名称,与另外两块听小骨的命名方式一致(多以形状得名)。

相关词 Related Words

文学作品中的用例 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》):在耳部解剖章节中讨论听小骨(包括incus)的结构与功能。
  • Campbell-Walsh-Wein Urology:在相关解剖与临床描述中偶见“incus”作拉丁词源的解剖命名对照或延伸用法(多为医学语境)。
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