英语语法分析

There was changes in the ultramicrostructure of myocardial tissue in SHR.

SHR大鼠心肌组织的超微结构发生变化。

Electron microscope was used to observe the ultramicrostructure of dorsal hippocampal neurons.

方法用四动脉阻断法造模，观察背侧海马神经元的超微结构；

Objective: To study the effects of resveratrol on brain edema and ultramicrostructure of rats with brain trauma.

前言：目的：探讨白藜芦醇对自由落体伤大鼠脑水肿的影响及超微结构变化。