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

Tenesmus :: Tenesmus (n.) An urgent and distressing sensation, as if a discharge from the intestines must take place, although none can be effected; -- always referred to the lower extremity of the rectum..
Birthroot :: Birthroot (n.) An herbaceous plant (Trillium erectum), and its astringent rootstock, which is said to have medicinal properties..
Rectum :: Rectum (n.) The terminal part of the large intestine; -- so named because supposed by the old anatomists to be straight. See Illust. under Digestive.
Enema :: Enema (n.) An injection, or clyster, thrown into the rectum as a medicine, or to impart nourishment..
Pinworm :: Pinworm (n.) A small nematoid worm (Oxyurus vermicularis), which is parasitic chiefly in the rectum of man. It is most common in children and aged persons..
Recto- :: Recto- () A combining form indicating connection with, or relation to, the rectum; as, recto-vesical..
Suppositories :: Suppositor (n.) An apparatus for the introduction of suppositories into the rectum.
Hemorrhoidal :: Hemorrhoidal (a.) Of or pertaining to the rectum; rectal; as, the hemorrhoidal arteries, veins, and nerves..
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.].
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..
Hindgut :: Hindgut (n.) The posterior part of the alimentary canal, including the rectum, and sometimes the large intestine also..
Perineum :: Perineum (n.) The region which is included within the outlet of the pelvis, and is traversed by the urinogenital canal and the rectum..
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..
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..
Proctotomy :: Proctotomy (n.) An incision into the rectum, as for the division of a stricture..
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..
Proctitis :: Proctitis (n.) Inflammation of the rectum.
Rectovaginal :: Rectovaginal (a.) Of or pertaining to both the rectum and the vagina.
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..
Rectal :: Rectal (a.) Of or pertaining to the rectum; in the region of the rectum.
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