其内皮 meaning in Chinese

soapbark

During embryogenesis , capillaries develop in the fetus by neovascularization , where endothelial cells arise from progenitor cells ; and angiogenesis , in which new blood vessels sprout from old ones
在胚胎发育期，胎儿通过新血管化过程（其内皮细胞源于祖细胞）和新生血管形成过程（新血管由旧血管芽生而来）生成毛细血管。
But in experiment ii , the obtained result of measurement and examination is not better than control group 。 conclusion : mixed animo acids can be safely applyed to vessel cryopreservation instead of calf serum 。 the effect of the groups of the rapid freezing method is not better than the groups of the rate - controled slow freezing
而实验ii的血管其内皮结构不清晰，内皮细胞超微结构变化较大。结论：复方氨基酸可代替胎牛血清用于血管的深低温保存.速冻降温方式对血管深低温保存效果不及慢冻降温方式。