英语语法分析

The head is composed of acrosome and nucleus.

头部由顶体与细胞核构成。

Under the acrosome, the nucleus is egg shaped with high density.

顶体下方为细胞核，细胞核近似卵圆形。

The outer and inner membranes of acrosome are different from the plasma membrane.

顶体的内、外膜结构不同于质膜。