Definition of rectum

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Rectum (n.) The terminal part of the large intestine; -- so named because supposed by the old anatomists to be straight. See Illust. under Digestive.

Lern More About Rectum

Piles :: Piles (n. pl.) The small, troublesome tumors or swellings about the anus and lower part of the rectum which are technically called hemorrhoids. See Hemorrhoids. [The singular pile is sometimes used.].
Perineum :: Perineum (n.) The region which is included within the outlet of the pelvis, and is traversed by the urinogenital canal and the rectum..
Rectovaginal :: Rectovaginal (a.) Of or pertaining to both the rectum and the vagina.
Recto- :: Recto- () A combining form indicating connection with, or relation to, the rectum; as, recto-vesical..
Recto-vesical :: Recto-vesical (a.) Of or pertaining to both the rectum and the bladder.
Mesorectum :: Mesorectum (n.) The fold of peritoneum, or mesentery, attached to the rectum..
Enema :: Enema (n.) An injection, or clyster, thrown into the rectum as a medicine, or to impart nourishment..
Endoscope :: Endoscope (n.) An instrument for examining the interior of the rectum, the urethra, and the bladder..
Proctocele :: Proctocele (n.) Inversion and prolapse of the mucous coat of the rectum, from relaxation of the sphincter, with more or less swelling; prolapsus ani..
Proctitis :: Proctitis (n.) Inflammation of the rectum.
Periproctitis :: Periproctitis (n.) Inflammation of the tissues about the rectum.
Colon :: Colon (n.) That part of the large intestines which extends from the caecum to the rectum. [See Illust of Digestion..
Supposure :: Suppository (n.) A pill or bolus for introduction into the rectum; esp., a cylinder or cone of medicated cacao butter..
Latus Rectum :: Latus rectum () The line drawn through a focus of a conic section parallel to the directrix and terminated both ways by the curve. It is the parameter of the principal axis. See Focus, and Parameter..
Dysentery :: Dysentery (n.) A disease attended with inflammation and ulceration of the colon and rectum, and characterized by griping pains, constant desire to evacuate the bowels, and the discharge of mucus and blood..
Hemorrhoidal :: Hemorrhoidal (a.) Of or pertaining to the rectum; rectal; as, the hemorrhoidal arteries, veins, and nerves..
Prolapse :: Prolapse (n.) The falling down of a part through the orifice with which it is naturally connected, especially of the uterus or the rectum..
Hindgut :: Hindgut (n.) The posterior part of the alimentary canal, including the rectum, and sometimes the large intestine also..
Mesentery :: Mesentery (n.) The membranes, or one of the membranes (consisting of a fold of the peritoneum and inclosed tissues), which connect the intestines and their appendages with the dorsal wall of the abdominal cavity. The mesentery proper is connected with the jejunum and ilium, the other mesenteries being called mesocaecum, mesocolon, mesorectum, etc..
Proctotomy :: Proctotomy (n.) An incision into the rectum, as for the division of a stricture..
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