embryo

胚、胚子

受精卵から育ち始め、まだ体の形が十分にできていない人や動物。

やさしい英語で： A human or animal developing from a fertilized egg, before its body has fully started to take shape.

• The embryo is still very small.
• Doctors transferred one embryo into her womb.
• The study examined how human embryos develop during the first weeks.

よく使う表現： human embryo, developing embryo, embryo transfer

胚

卵から出たり次の段階に進んだりする前の、卵の中で育つ生き物。

やさしい英語で： A young living thing developing inside an egg, before it hatches or changes into its next form.

• The embryo grew inside the egg.
• We could see the chick embryo through the shell.
• The researchers compared fish embryos at different stages of growth.

よく使う表現： chicken embryo, fish embryo, embryo development