| proctotomy | <surgery> An incision into the rectum, as for the division of a stricture. Origin: Gr. Anus + to cut. Source: Websters Dictionary (01 Mar 1998) |
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| proctotresia | Operation for correction of an imperforate anus. Origin: procto-+ G. Tresis, a boring (05 Mar 2000) |
| proctovalvotomy | Incision of rectal valves. (05 Mar 2000) |