V2EX cytotrophoblast

Cytotrophoblast

Definition / 定义

细胞滋养层:胎盘早期滋养层的一部分,由相对“单核、细胞界限清楚”的细胞构成,具有增殖能力,可分化并形成外层的合体滋养层(syncytiotrophoblast),在胚胎着床与胎盘形成中很关键。(该词也常出现在胚胎学、妇产科学与病理学语境中。)

Pronunciation / 发音

/satotrofblst/

Examples / 例句

The cytotrophoblast helps form the placenta in early pregnancy.
细胞滋养层在妊娠早期帮助形成胎盘。

Abnormal differentiation of the cytotrophoblast can contribute to placental disorders such as preeclampsia.
细胞滋养层的分化异常可能与子痫前期等胎盘相关疾病有关。

Etymology / 词源

由三部分构成:**cyto-**(细胞,源自希腊语 kytos “容器/细胞”)+ **tropho-**(营养、滋养,源自希腊语 trophē “营养/喂养”)+ -blast(胚芽/未成熟细胞,源自希腊语 blastos “芽/胚芽”)。整体字面意思是“与滋养相关的细胞性胚芽/细胞层”。

Related Words / 相关词汇

Literary Works / 文学作品举例

  • Langman’s Medical Embryology(《兰曼医学胚胎学》):在胎盘与滋养层分化章节中常出现该术语。
  • The Developing Human: Clinically Oriented Embryology(Moore 等,《人体发育:临床胚胎学》):用于描述滋养层结构与绒毛发育。
  • Williams Obstetrics(《威廉姆斯产科学》):在胎盘生理与妊娠相关疾病(如子痫前期)讨论中可见该词。
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