acrosomic granule

例句：

1. 1.The acrosome is the outer layer of the egg, where fertilization occurs.
   外胚层是蛋的外部层，受精发生于此。
2. 2.The study of acrosomes has led to new insights into the development of the nervous system.
   对外胚层的研究表明了神经系统发育的新见解。
3. 3. The acrosome is also known as the "bag" that contains the sperm during fertilization.
   外胚层也被称为“袋”，在受精时容纳精子。