多精入卵

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  • polyspermy
多精入卵多精入卵
  1. 有多精入卵现象,极少数卵子多精受精。

    Now and then , there exists the phenomenon that a few sperms penetrate into egg , while polyspermy is few .

  2. 受精过程无论体内或体外,都容易发生多精入卵,体外受精则更甚。

    Polyspermy occurred more frequently during in vitro fertilization than in vivo in pig , although it has been reported commonly in both cases .