Rectum
: The last 6 to 8 inches of the large intestine. The rectum stores solid waste until it leaves the body through the anus. The word rectum comes from the Latin rectus meaning straight (which the human rectum is not).
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The terminal portion of the digestive tube, extending from the rectosigmoid junction to the anal canal. (Perineal flexure). [L. rectus, straight, pp. of rego, to make straight]

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rec·tum 'rek-təm n, pl rectums or rec·ta -tə the terminal part of the intestine from the sigmoid colon to the anus

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n.
the terminal part of the large intestine, about 12 cm long, which runs from the sigmoid colon to the anal canal. Faeces are stored in the rectum before defecation.
rectal adj.

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rec·tum (rekґtəm) [L. “straight”] [TA] the distal portion of the large intestine, beginning anterior to the third sacral vertebra as a continuation of the sigmoid and ending at the anal canal. rectal adj

Medical dictionary. 2011.

Look at other dictionaries:

  • rectum — [ rɛktɔm ] n. m. • av. 1478; lat. méd. pour rectum intestinum « intestin droit » ♦ Portion terminale du gros intestin, faisant suite au côlon pelvien et s étendant jusqu à l anus. Étude des maladies de l anus et du rectum. ⇒ proctologie. ● rectum …   Encyclopédie Universelle

  • rectum — early 15c., from L. intestinum rectum straight intestine, in contrast to the convolution of the rest of the bowels, from neut. pp. of regere to straighten (see RIGHT (Cf. right)). A loan translation of Gk. apeuthysmeon enteron, the name given to… …   Etymology dictionary

  • rectum — ► NOUN (pl. rectums or recta) ▪ the final section of the large intestine, terminating at the anus. ORIGIN from Latin rectum intestinum straight intestine …   English terms dictionary

  • rectum — [rek′təm] n. pl. rectums or recta [rek′tə] [ModL < L rectum (intestinum), lit., straight (intestine) < rectus: see RECTI ] the lowest, or last, segment of the large intestine, extending, in humans, from the sigmoid flexure to the anus: see… …   English World dictionary

  • Rectum — Rec tum ( t?m), n. [NL. (sc. intestinum), fr. L. rectus straight. See {Right}.] (Anat.) The terminal part of the large intestine; so named because supposed by the old anatomists to be straight. See Illust. under {Digestive}. [1913 Webster] …   The Collaborative International Dictionary of English

  • Rectum — Rectum, der Mastdarm, s.d …   Pierer's Universal-Lexikon

  • Rectum — (lat.), der Mastdarm, s. Darm …   Meyers Großes Konversations-Lexikon

  • Rectum — (nämlich intestīnum, lat.), der Mastdarm …   Kleines Konversations-Lexikon

  • Rectum — Rectum, s. Mastdarm …   Herders Conversations-Lexikon

  • Rectum — ⇒ Mastdarm …   Deutsch wörterbuch der biologie

  • rectum — RÉCTUM s.n. v. rect. Trimis de LauraGellner, 13.09.2007. Sursa: DN …   Dicționar Român

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