V2EX villi

Villi

定义 Definition

villivillus(绒毛) 的复数形式,指某些组织表面“细小指状/绒毛状的突起”。最常见的是小肠绒毛:它们能显著增加肠道内表面积,从而帮助吸收营养。在胎盘等组织中也有“绒毛”(如绒毛膜绒毛)。

发音 Pronunciation

/vla/

例句 Examples

The villi help the small intestine absorb nutrients.
绒毛帮助小肠吸收营养。

Because the intestinal villi increase surface area, damage to them can reduce nutrient absorption and lead to weight loss.
由于肠绒毛增加了表面积,它们一旦受损就可能降低营养吸收,进而导致体重下降。

词源 Etymology

来自拉丁语 villus,原意与“绒毛、茸毛、细毛”相关,形象地描述了这些结构像细小的毛或绒一样覆盖在表面;villi 是其拉丁语复数形式,英语沿用至今。

相关词 Related Words

文学作品与经典出处 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》)
  • Campbell Biology(《坎贝尔生物学》)
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