V2EX capillary

Capillary

定义 Definition

capillary 作为名词,指毛细血管,即人体中最细小的血管,连接动脉和静脉,负责血液与组织之间的物质交换。作为形容词,指毛细的、极细的,与细管中的液体现象有关。

发音 Pronunciation

/kp..lr.i/(美式)

/kpl.r.i/(英式)

例句 Examples

Water rises in a thin tube because of capillary action.
水因毛细作用在细管中上升。

The doctor explained that the tiny capillaries in her lungs were damaged, which made it difficult for oxygen to pass into her bloodstream.
医生解释说她肺部的微小毛细血管受损了,导致氧气难以进入血液。

词源 Etymology

源自拉丁语 capillaris,意为"与头发有关的",由 capillus(头发)派生而来。因为毛细血管极其纤细,如同头发一般,故以此命名。该词于17世纪进入英语,最初用于描述细管中液体自然上升的物理现象(毛细现象),后广泛用于解剖学,指人体中最微小的血管。

相关词汇 Related Words

文学作品引用 Literary References

  • 在刘易斯托马斯(Lewis Thomas)的科普经典 The Lives of a Cell 中,capillary 被用来描述人体微观循环系统的精妙结构。
  • 在阿瑟柯南道尔(Arthur Conan Doyle)的福尔摩斯系列 A Study in Scarlet 中,作为医学背景的华生医生在叙述中涉及毛细血管等解剖学术语。
  • 在理查德道金斯(Richard Dawkins)的 The Selfish Gene 中,该词出现在对生物体微观结构的讨论中,用以说明生命系统的精密性。
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