Acrosome

The acrosome is an organelle that develops over the anterior half of the head in the spermatozoa (sperm cells) of many animals. It is a cap-like structure derived from the Golgi apparatus. Acrosome formation is fully completed 5-10 years after testicular maturation. In Eutherian mammals the acrosome contains digestive enzymes (including hyaluronidase and acrosin). These enzymes break down the outer membrane of the ovum, called the zona pellucida, allowing the haploid nucleus in the sperm cell to join with the haploid nucleus in the ovum.

单词	Sperm head
释义	Sperm head 英语例句库 To a certain degree, sperm head membrane maybe is the key factor to the androgenesis of the gynogenetic silver crucian carp eggs. 在某种程度上表明：精子膜蛋白可能是雌核发育银鲫卵子进行雄核发育的关键因素。英语百科 Acrosome The acrosome is an organelle that develops over the anterior half of the head in the spermatozoa (sperm cells) of many animals. It is a cap-like structure derived from the Golgi apparatus. Acrosome formation is fully completed 5-10 years after testicular maturation. In Eutherian mammals the acrosome contains digestive enzymes (including hyaluronidase and acrosin). These enzymes break down the outer membrane of the ovum, called the zona pellucida, allowing the haploid nucleus in the sperm cell to join with the haploid nucleus in the ovum.
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Sperm head

Acrosome