V2EX podocyte

Podocyte

定义 Definition

podocyte(足细胞):肾小球中一种高度特化的上皮细胞,具有“足突(foot processes)”,与肾小球基底膜共同构成肾小球滤过屏障的重要部分,帮助血液过滤并阻止蛋白质等大分子漏出(与蛋白尿相关)。(该词在更广义语境下也可用于肾脏研究的细胞/病理讨论。)

例句 Examples

Podocytes help filter waste from the blood in the kidney.
足细胞在肾脏中帮助从血液里过滤代谢废物。

In diabetic kidney disease, podocyte injury can disrupt the filtration barrier, leading to proteinuria and progressive loss of kidney function.
在糖尿病肾病中,足细胞受损会破坏滤过屏障,导致蛋白尿并使肾功能逐步下降。

发音 Pronunciation (IPA)

/pdsat/(英式常见)
/pdsat/(美式常见)

词源 Etymology

来自**podo-**(表示“足”,源自希腊语 pous/podos)+ -cyte(表示“细胞”,源自希腊语 kytos “容器/细胞”)。该命名强调足细胞具有“像脚一样的足突”结构。

相关词 Related Words

文学/著作中的用例 Literary Works

  • Brenner & Rector’s The Kidney(肾脏病学经典教材,常在肾小球滤过屏障与足突结构章节出现该词)
  • Robbins and Cotran Pathologic Basis of Disease(病理学经典教材,在肾小球疾病、蛋白尿机制等段落常见)
  • The Kidney: Physiology and Pathophysiology(肾脏生理与病理参考书,讨论滤过屏障与足细胞功能时频繁使用)
  • 期刊论文与综述:Kidney InternationalJournal of the American Society of Nephrology (JASN)Nature Reviews Nephrology 中关于“podocyte injury/foot process effacement”的研究常大量出现该词
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