rectum(redirected from Anal cavity)
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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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The portion of the large intestine between the sigmoid flexure and the anus.
the lower part of the alimentary canal, between the sigmoid flexure of the colon and the anus