英语语法分析

It has long believed that HSC and angioblast come from the common stem cell, the hemangioblast.

很早以前，有人推测造血干细胞和血管干细胞来自共同的干细胞-血液血管母细胞。

The cancer cells were connected with angioblast cells, vessel endothelial cell and blood vessel wall during the angiogenesis process.

在以上全过程中癌细胞突起直接与成血管细胞、血管内皮细胞及血管壁相连。

The cancer cells connected with angioblast cells, vascular endothelial cells and blood vessel walls in the whole process of angiogenesis.

其全过程中癌细胞突起直接与成血管细胞、血管内皮细胞及血管壁相连。