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Definition of Rectum
1. Noun. The terminal section of the alimentary canal; from the sigmoid flexure to the anus.
Generic synonyms: Body Part
Terms within: Arteria Rectalis, Rectal Artery, Anus
Group relationships: Large Intestine
Derivative terms: Rectal
Terms within: Arteria Rectalis, Rectal Artery, Anus
Group relationships: Large Intestine
Derivative terms: Rectal
Definition of Rectum
1. n. The terminal part of the large intestine; -- so named because supposed by the old anatomists to be straight. See Illust. under Digestive.
Definition of Rectum
1. Noun. (anatomy) The terminal part of the large intestine through which feces pass. ¹
¹ Source: wiktionary.com
Definition of Rectum
1. the terminal portion of the large intestine [n -TUMS or -TA]
Medical Definition of Rectum
1.