placenta

IPA/pləˈsentə/
KK[pləsˈɛntə]IPA/pləˈsentə/

placenta — noun

  • placentasingular
  • placentasplural

1. a temporary organ that grows inside a woman's uterus during pregnancy, connectin

1.名詞B2
釋義

a temporary organ that grows inside a woman's uterus during pregnancy, connecting the mother's blood supply to the developing baby; it delivers oxygen and food to the baby and removes waste products from the baby's blood.

例句

At a twenty-week check-up, the nurse showed Sivan where the placenta attached to the uterine wall.

the + placenta as anatomical object

Dario stayed with his sister until the placenta came out naturally after the baby was born.

deliver / expel the placenta (birth process)

同義詞
  • afterbirth

    informal term for the placenta and other tissues expelled after delivery; less precise in medical writing

文法句型

the + placenta

possessive + placenta

用法筆記

The placenta is expelled from the uterus shortly after childbirth — this stage is called the 'third stage of labour' or 'delivery of the placenta.'

常見錯誤

❌The umbilical cord and the placenta are the same thing.
✅The umbilical cord connects the baby to the placenta, but they are two separate organs.
💡The cord is a tube linking baby to placenta; the placenta itself is a flat, disk-shaped organ attached to the uterine wall.