V2EX syncytiotrophoblast

Syncytiotrophoblast

释义 Definition(中/英)

合体滋养层(细胞):胎盘早期形成时,由滋养层细胞融合成的多核、无细胞界限的连续细胞层。它位于绒毛外层,负责侵入子宫内膜、建立母胎界面,并分泌多种激素(如 hCG),参与营养与物质交换。(该词主要用于胚胎学、妇产科学与病理学语境。)

发音 Pronunciation(IPA)

/sn.s.ti.otro.fblst/

例句 Examples(英/中)

The syncytiotrophoblast produces hCG in early pregnancy.
合体滋养层在妊娠早期产生 hCG(人绒毛膜促性腺激素)。

During implantation, the syncytiotrophoblast invades the endometrium and helps establish the maternalfetal interface.
在着床过程中,合体滋养层侵入子宫内膜,并帮助建立母胎交界面。

词源 Etymology(中文说明)

该词由两部分构成:

  • syncytio- 源自 syncytium(合胞体/合体),来自希腊语 **syn-**(一起)+ kytos(容器,引申为“细胞”),指多个细胞融合成一个连续整体。
  • trophoblast 源自希腊语 trophē(营养)+ blastos(胚芽/萌芽),指参与胚胎早期营养与着床相关的细胞层。
    合起来表示“由融合细胞构成、与营养/着床密切相关的胚胎外层细胞组织”。

相关词 Related Words

文献与著作中的用例 Notable Works(作品举例)

  • Langman’s Medical Embryology(《朗曼医学胚胎学》)
  • The Developing Human: Clinically Oriented Embryology(Moore,《人体发育:临床胚胎学》)
  • Williams Obstetrics(《威廉姆斯产科学》)
  • Robbins & Cotran Pathologic Basis of Disease(《罗宾斯-科特兰病理学基础》)
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