Last Updated：2025/11/21

(zoology) In placental mammals, a fluid contained within the amnion membrane that surrounds a developing embryo or fetus.

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amniotic fluid

Source Word

amniotic fluid

Noun

countable uncountable

(zoology) In placental mammals, a fluid contained within the amnion membrane that surrounds a developing embryo or fetus.

Japanese Meaning

発生中の胎児を羊膜で包む羊膜腔内に存在する液体（一般的に「羊水」と呼ばれる）

During the ultrasound, the doctor measured the amniotic fluid to ensure the fetus was developing normally.

超音波検査中、医師は胎児が正常に発育しているか確認するために羊水の量を測定した。

Sense（1）

(zoology) In placental mammals, a fluid contained within the amnion membrane that surrounds a developing embryo or fetus.

amniotic fluids

（ plural ）