受精卵(じゅせいらん)

じゅせいらん
noun
fertilized egg; fertilized ovum; zygote
1. fertilized egg; fertilized ovum; zygote
An egg cell that has been fertilized by a sperm cell — used in biology, reproductive medicine, and everyday discussion of pregnancy, IVF, and animal breeding. Also used for fertilized eggs of birds (e.g., chickens) that will develop into chicks if incubated.
受精卵(じゅせいらん)が子宮(しきゅう)に着床(ちゃくしょう)した。
The fertilized egg implanted in the uterus.
体外(たいがい)受精(じゅせい)で作(つく)られた受精卵(じゅせいらん)を凍結保存(とうけつほぞん)した。
The fertilized eggs created through IVF were cryopreserved.
ニワトリの受精卵(じゅせいらん)を温(あたた)めると、約(やく)21日(にち)でヒヨコが生(う)まれる。
If you incubate a chicken's fertilized egg, a chick hatches in about 21 days.

Composed of 受精(じゅせい) (fertilization) and 卵(らん) (egg, in its Sino-Japanese reading). The kanji 卵(らん) is read らん only in compounds; the standalone noun for "egg" is 卵(たまご).

COMMON COLLOCATIONS:

  • 受精卵(じゅせいらん)ができる: a fertilized egg forms
  • 受精卵(じゅせいらん)が着床(ちゃくしょう)する: the fertilized egg implants
  • 受精卵(じゅせいらん)を培養(ばいよう)する: to culture a fertilized egg
  • 受精卵(じゅせいらん)を凍結(とうけつ)する: to freeze a fertilized egg
  • 体外(たいがい)受精(じゅせい)の受精卵(じゅせいらん): IVF-created fertilized egg

RELATED TERMS:

  • 受精(じゅせい): fertilization
  • 卵子(らんし): ovum, egg cell (before fertilization)
  • 精子(せいし): sperm
  • 胚(はい): embryo — what the 受精卵(じゅせいらん) develops into
  • 無精卵(むせいらん): unfertilized egg — the antonym, commonly used for supermarket chicken eggs
general
Added 2026.4.13 4:25
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