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词汇 superfecundation
释义

Definition of superfecundation in English:

superfecundation

noun ˌsuːpəfɛk(ə)nˈdeɪʃ(ə)nˌsjuːpəfiːk(ə)nˈdeɪʃ(ə)nˌso͞opərˌfekənˈdāSH(ə)n
mass nounZoology Medicine
  • Fertilization of a second ovum during the same oestrus cycle as a result of a second mating, leading to fetuses of the same age but different parentage.

    Example sentencesExamples
    • A mother has had two non-twin children on the same day, due to a 1,000,000-1 phenomenon, known as superfecundation, where a woman conceives twice in the same month.
    • The scientific term describing fraternal twins by different fathers is heteropaternal superfecundation.
    • Obviously, the twins resulting from superfecundation are dizygotic.
    • Traditionally, cases of superfecundation have been discovered by the starkly different appearances of twins.
    • The phenomenon, known as superfecundation, usually results in the second baby dying as the older gets better nourished in the womb.

Definition of superfecundation in US English:

superfecundation

nounˌso͞opərˌfekənˈdāSH(ə)n
Medicine Zoology
  • another term for superfetation
    Example sentencesExamples
    • The scientific term describing fraternal twins by different fathers is heteropaternal superfecundation.
    • The phenomenon, known as superfecundation, usually results in the second baby dying as the older gets better nourished in the womb.
    • A mother has had two non-twin children on the same day, due to a 1,000,000-1 phenomenon, known as superfecundation, where a woman conceives twice in the same month.
    • Traditionally, cases of superfecundation have been discovered by the starkly different appearances of twins.
    • Obviously, the twins resulting from superfecundation are dizygotic.
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