1.

不同药物浓度组血管样管道数量比较

Comparison of the number of vascular-like pipes in different drug level groups

Group	N	L	M	H	P
N: Normal group; L: Low-dose group; M: Middle-dose group; H: High-dose group; P: Positive-dose group.
Number of VM pipes	164	314	350	182	0
Number of vascular structures	263	365	410	204	979