英语语法分析

Pterygia are caused by collagen degeneration and fibrovascular proliferation.

翼状胬肉因胶原变性及纤维血管增生而产生。

Therefore, some blinding conditions characterized by vitreous hemorrhage, fibrovascular tissue growth and retinal detachment can be reversed.

因而一些以玻璃体出血、纤维血管组织生长及视网膜脱离等为特征的致盲情况可获逆转。

In contrast, low grade papillary tumors demonstrate densely arranged but normal-shaped small cells extending outward from fibrovascular cores.

相反，低度恶性乳状瘤排列密集，但正常形状的小细胞从纤维血管核心向外蔓延。