Figure 2

Anastomotic strength in experiment 1. Animals received either buprenorphine or carprofen from the day of operation and were terminated at day 1, 2 or 3 after operation. Panel A gives the individual bursting pressures (and means as horizontal bars) for all animals: black circle denotes an absence of signs of anastomotic leakage and ○ the presence of such signs. The bursting site was always in the anastomotic line. In panel B bars represent mean (+ SEM) for breaking strength.