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单词 spermiation
释义

spermiation /ˌspə:mi'eiʃən/

英汉-汉英词典
n. 放精
词组 | 习惯用语
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  • perspiration n. 汗;汗水 出汗;流汗
  • permutation n. (一组事物可能的一种)序列,排列;排列中的任一组数字或文字
  • spermatozoon n. 精虫;精子
spermiation n. 精子放出,排精

网络短语:
spermiation failure 精子排放受阻
spawning and spermiation behaviour 产卵和排精行为
英语百科

Spermiogenesis

The process of spermatogenesis. 1. Primary spermatocyte 2. Secondary spermatocytes
3. Spermatids 4. Sperm
Complete diagram of a human spermatozoon
Note how the tails of the sperm point inward. This orientation occurs during the acrosomal phase.

Spermiogenesis is the final stage of spermatogenesis, which sees the maturation of spermatids into mature, motile spermatozoa. The spermatid is a more or less circular cell containing a nucleus, Golgi apparatus, centriole and mitochondria. All these components take part in forming the spermatozoon.

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