The study, in BJU International, also found that smokers had a larger percentage of nonintact acrosomes, the part of the head of the sperm that releases enzymes that allow the sperm to penetrate the ovum's shell.

  • 这份发表在《英国国际泌尿学期刊》(BJU international)上的研究报告还显示,吸烟者精子顶体——位于精子头部,会释放让精子穿透卵子外壳的酶——的完整率也更低一些。

  • 互联网摘选 2025-01-20 13:06:32

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