英语语法分析

The structure of endothelial cells of capillaries was changed, the basal lamina became thicker and the pericapillary space became broader with a lot of collagen fibrils.

毛细血管内皮细胞形态结构发生改变，基膜增厚，血管周隙明显增宽，内含大量的胶原原纤维。