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某些哺乳类动物的卵母细胞,用机械或酶解的方法去除透明带后,其种属特异性明显降低,在体外可与异种获能精子发生受精。去除透明带的仓鼠卵可与包括人在内的异种哺乳类(除狗外)的获能精子受精。在仓鼠卵的异种体外受精研究中,以人精子穿
Some mammalian oocytes, with mechanical or enzymatic method to remove the zona pellucida, the species specificity was significantly reduced in vitro fertilization with heterogeneous sperm can be fertilized. The zona pellucida-removing hamster eggs can be fertilized with capacitated sperm from heterogeneous mammals, including humans, except dogs. In the study of xeno-in vitro fertilization of hamster eggs, human sperm are worn