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单词 in vitro fertilization
释义

WordReference Random House Unabridged Dictionary of American English © 2024
in vitro fertilization, 
  1. Medicine, Developmental Biology, Surgerya specialized technique by which an ovum, esp. a human one, is fertilized by sperm outside the body, with the resulting embryo later implanted in the uterus for gestation.
  • 1970–75

Collins Concise English Dictionary © HarperCollins Publishers::
in vitro fertilization n
  1. a technique enabling some women who are unable to conceive to bear children. Egg cells removed from a woman's ovary are fertilized by sperm in vitro; some of the resulting fertilized egg cells are incubated until the blastocyst stage, which are then implanted into her uterus
    Abbreviation: IVF
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