| proctosigmoidectomy | Excision of the rectum and sigmoid colon. Origin: procto-+ sigmoid, + G. Ektome, excision (05 Mar 2000) |
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| proctosigmoiditis | Inflammation of the sigmoid colon and rectum. Origin: procto-+ sigmoid + G. -itis, inflammation (05 Mar 2000) |
| proctosigmoidoscope | <instrument> Instrument used for examination of the sigmoid colon and rectum. (05 Mar 2000) |
| proctosigmoidoscopy | An examination of the rectum and the lower part of the colon using a thin, lighted instrument called a sigmoidoscope. (12 Dec 1998) |
| proctospasm | 1. Spasmodic stricture of the anus. 2. Spasmodic contraction of the rectum. Origin: procto-+ G. Spasmos, spasm (05 Mar 2000) |
| proctostasis | Constipation with stasis in the rectum. Origin: procto-+ G. Stasis, a standing (05 Mar 2000) |
| proctostat | A tube containing radium for insertion through the anus in the treatment of rectal cancer; obsolete. Origin: procto-+ G. Statos, standing (05 Mar 2000) |
| proctostenosis | Stricture of the rectum or anus. Synonym: rectostenosis. Origin: procto-+ G. Stenosis, a narrowing (05 Mar 2000) |
| proctostomy | The formation of an artificial opening into the rectum. Synonym: rectostomy. Origin: procto-+ G. Stoma, mouth (05 Mar 2000) |
| proctotome | An instrument for use in proctotomy. Synonym: rectotome. (05 Mar 2000) |
| 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) |
| 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) |
| proctucha | <zoology> A division of Turbellaria including those that have an intestine terminating posteriorly. The Nemertina. Origin: NL, from Gr. Anus + to have. Source: Websters Dictionary (01 Mar 1998) |