未み成せい熟じゅく卵らん

noun

immature ovum; immature egg

Medical and biological term for an egg cell that has not yet reached maturity.

• 未み成せい熟じゅく卵らんは体たい外がい受じゅ精せいの際さいに培ばい養ようされることがある。

  Immature ova are sometimes cultured during in vitro fertilization.