Attachment：End to end anastomosis of excised pig large intestine

1 ﹒ Selectone section of pig large intestine ﹒ Clip it with bowel forceps at one end。And then implement tunica muscularis purse‐string suture in intestina with middle‐sized round needle and NO ﹒ 4thread in the distance of1cm away from bowel forceps ﹒ Mean ......