V2EX tectorial membrane

Tectorial Membrane

定义 Definition

tectorial membrane(盖膜/覆膜):内耳耳蜗(cochlea)中覆盖在科蒂器(organ of Corti)上方的一层凝胶样膜结构。它与毛细胞的纤毛(stereocilia)相互作用,把声音引起的机械振动转化为神经信号,是听觉“机械-电信号转换”过程中的关键组成部分。

发音 Pronunciation

/tktril mmbren/

例句 Examples

The tectorial membrane helps the ear sense sound vibrations.
盖膜帮助耳朵感知声音引起的振动。

In the cochlea, relative motion between the basilar membrane and the tectorial membrane bends hair cell stereocilia, triggering electrical signals that the brain interprets as sound.
在耳蜗内,基底膜与盖膜之间的相对运动会使毛细胞的纤毛发生弯曲,从而触发电信号,最终被大脑解释为声音。

词源 Etymology

tectorial 来自拉丁语 tegere(“覆盖、遮盖”)相关词根,意为“用于覆盖的”;membrane 源自拉丁语 membrana(“膜”)。合起来字面意思就是“覆盖性的膜”,对应其在耳蜗中覆盖科蒂上方的解剖位置与作用。

相关词 Related Words

文学与著作 Literary Works

  • Gray’s Anatomy(《格雷氏解剖学》)
  • Guyton and Hall Textbook of Medical Physiology(《盖顿与霍尔医学生理学》)
  • Cummings Otolaryngology: Head and Neck Surgery(《卡明斯耳鼻喉头颈外科学》)
  • Wheater’s Functional Histology(《惠特功能组织学》)
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