rectum


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rectum:

see intestineintestine,
muscular hoselike portion of the gastrointestinal tract extending from the lower end of the stomach (pylorus) to the anal opening. In humans this fairly narrow (about 1 in./2.
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.

rectum

[′rek·təm]
(anatomy)
The portion of the large intestine between the sigmoid flexure and the anus.

rectum

the lower part of the alimentary canal, between the sigmoid flexure of the colon and the anus
References in periodicals archive ?
Thin sections of longitudinal segments of colon and rectum (3 microns thick) were cut by rotator microtome.
Caption: In brachytherapy, a doctor uses an ultrasound probe to place about 100 radioactive seeds that kill prostate cancer while minimizing damage to nearby structures, such as the urethra and rectum.
A rectoscopy was performed to establish the condition of the mucous membranes of the rectum, showing intact mucous membranes, with several balls of stool.
00Gy was the limited dose for the rectum, but slightly higher dose was shifted to the rectum in case of ring applicator as compared to the Fletcher (Figure-2c).
The customs department says it has encountered instances of gold being hidden in the rectum, but cash recovery is very rare.
Creating space between the prostate and rectum is an important advance that significantly diminishes the rectal dose during radiation treatments, and thereby reduces the likelihood of side effects.
Different types of foreign bodies introduced into the rectum for various reasons that the most frequent form of introduction is through the anal passage for erotic purposes 1.
The rectum expands to accommodate the incoming feces and stretch receptors in the expanding walls send a message to the brain which is perceived as the defecation urge.
Three articles published in Diseases of the Colon & Rectum were 15, 17 and 29 pages long.
Ewe was showing tenesmus, bulging at anal area and opening connecting rectum with vagina was observed.
The gas distribution in the rectum and left colon on both upright and supine positions was strangely almost equal (Figures 1(a) and 1(b)).