English: A gangrenous piece of bowel was cut out (this is termed volvulus - the bowel that has twisted in a way that cuts off its blood supply; the bowel becomes dead very quickly). From the bowel ends that have to be joined up again, ascaris are emerging. The worms are all alive and waving around.

The metal surgeon clamps (haemostats) are on the small blood vessels in the bowel mesentery which is a curtain of fat and membrane that holds the bowel to the back of the abdomen and through which the arteries that supply the bowel itself go. These clamps are used to stop bleeding while the next steps of the procedure are prepared. In those days (1988) piperazine would be instilled to try to stop the worms disrupting the stiches.

Photo by Larry Hadley, South Africa <a href="http://paedsurg.ukzn.ac.za/Staff/ProfLarryHadley.aspx" rel="nofollow">paedsurg.ukzn.ac.za/Staff/ProfLarryHadley.aspx</a>

This photo was also used in this journal article:

British Journal of Surgery 1988;75:86-87 <a href="http://onlinelibrary.wiley.com/doi/10.1002/bjs.1800750130/abstract" rel="nofollow">onlinelibrary.wiley.com/doi/10.1002/bjs.1800750130/abstract</a>