The release time of apyrene sperm was early than that of eupyrene sperm.
无核精子的释放时间早于真核精子束。
The release time of apyrene sperm was early than that of eupyrene sperm.
无核精子的释放时间早于真核精子束。
The lacinate appendages of eupyrene sperm disappeared, and the sperm was surrounded by an envelope from top to tail.
真核精子片层外长物全部消失，从头
尾被一层外套包围。
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