Constractions of intralobular arteriolar sphincter, pres ence of vacuoles in all the layers of sphincter, grossirregularity in capillary network of acini were observed in caerulein-induced groups.
光镜及扫描电镜显示胰腺小叶内动脉括约肌早期出现损伤,胞胞浆内大形成,表现为持续痉挛,所属微动脉支配区域毛床构形紊乱;