1. The nucleated cell of a spermatozoon. 
   精子的有核的细胞
2. the act of becoming pregnant; fertilization of an ovum by a spermatozoon. 
   怀孕的行为；卵子与精子结合成受精卵的过程。
3. A caplike structure at the anterior end of a spermatozoon that produces enzymes aiding in egg penetration. 
   精子头粒蛋白一种在精子内前端的帽状结构，可产生帮助穿透卵子的酶
4. A pore in the membrane covering the ovum of some animals through which a spermatozoon can enter. 
   卵膜孔一些动物卵细胞覆盖膜上的小孔，精子可由此进入
5. Either of two conjugating gametes that differ in structure or behavior, such as the small, motile male spermatozoon and the larger, nonmotile female ovum. 
   异形配子在结构或行为上不同的两个配合配子之一，如小的能动的雄性精子与大的不能动的雌性卵子

查看更多例句 相关情景会话

• 1. 精子尾
  斯潘斯(氏)尾：乳腺组织生长突出于腋区，有时成一可见团块 tail of Spence...精子尾?? tail of spermatozoon...脾尾?? tail of spleen
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• 2. 精子尾部
  精子...tail of spermatozoon 精子尾部...Bookmark this page:
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