Depends on what operation you are getting. They generally made small incisions in a few places. Then blow up the abdominal cavity with air. In the small infusions that they made, one will be for the laproscopic camera and the other will be for the instruments needed to perform the operation.....
It really varies what operation you are getting done.
That pretty much sums it up. I'll add that I had a recent hysterectomy and had 6 small incisions into my abdominal cavity (you may have less depending on your type of surgery), and it was one of the easiest recoveries from surgery I've ever had. I was really nervous beforehand as I'd never had an abdominal surgery, but now it wouldn't bother me at all if I had to have another one.
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Agreed with the others. Laproscopy, whenever possible, is the way to go. The recovery time is far less and risk of adhesions is non-existant due to the small incisions (rather than one large). If ever given a choice, opt for laproscopy whenever possible.
Good luck with whatever procedure you're having done!