spermatozoon

英[spə:mətə'zəuɔn]美[spə:mətə'zəuɔn]

n. 精虫,精子

复　数：spermatozoa

同：	[n.] sperm, sperm cell, spermatozoan

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收藏
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，精子可由此进入收藏

the male reproductive cell; the male gamete
- a sperm is mostly a nucleus surrounded by little other cellular material
[同] sperm, sperm cell, spermatozoan, spermatozoon

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