英语语法分析

The spherule contains endospores.

小球体包含内生孢子。

Note how the spherule at the left is bursting to expel its endospores, which grow and continue the infection.

可见左边的大球体破裂并释放出内部的内生孢子，内生孢子生长并引起持续感染。

The normal expression of VEGFR is right kidney spherule development, reach its of normal structure and function maintain very necessary.

VEGFR的正常表达对肾小球发育，及其正常结构和功能的维持都十分必要。