V2EX amniotic sac

Amniotic sac

定义 Definition

羊膜囊:在怀孕期间包围并保护胎儿的薄膜囊,内含羊水,可缓冲外力、维持温度与湿度,并为胎儿发育提供相对稳定的环境。(也常被称为“胎膜囊”。)

发音 Pronunciation (IPA)

/mnitk sk/(美式常见)
/mnitk sk/(英式常见)

例句 Examples

The amniotic sac protects the baby during pregnancy.
羊膜囊在怀孕期间保护胎儿。

After the ultrasound, the doctor explained that the amniotic sac and fluid levels looked normal, which was reassuring.
超声检查后,医生解释说羊膜囊和羊水量看起来正常,这让人安心。

词源 Etymology

amniotic 来自 amnion(羊膜),其根源可追溯到希腊语 amnion,指包裹胎儿的膜;sac 源自拉丁语 saccus,意为“袋子、囊”。合起来 amniotic sac 就是“羊膜的囊状结构”。

相关词 Related Words

文学作品 Examples in Notable Literary Works

  • What to Expect When You’re Expecting(Heidi Murkoff 等):作为孕期科普内容,常讨论羊膜囊与羊水在胎儿发育中的作用。
  • Mayo Clinic Guide to a Healthy Pregnancy(Mayo Clinic):在孕期健康指南中多处出现,用于说明胎膜、羊水与产检指标。
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