Methods: Vascular ECs, smooth muscle cells and flbroblasts were cultured in vitro,underwent purification, identification and morpHological observation.

• 方法：分别采用酶消化法和组织块法培养血管内皮细胞、血管平滑肌细胞及成纤维细胞，并进行三种细胞的传代、纯化、鉴定以及形态学观察。