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

Rectovaginal :: Rectovaginal (a.) Of or pertaining to both the rectum and the vagina.
Enema :: Enema (n.) An injection, or clyster, thrown into the rectum as a medicine, or to impart nourishment..
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.
Recto-uterine :: Recto-uterine (a.) Of or pertaining to both the rectum and the uterus.
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..
Endoscope :: Endoscope (n.) An instrument for examining the interior of the rectum, the urethra, and the bladder..
Suppositories :: Suppositor (n.) An apparatus for the introduction of suppositories into 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..
Hindgut :: Hindgut (n.) The posterior part of the alimentary canal, including the rectum, and sometimes the large intestine also..
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..
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..
Birthroot :: Birthroot (n.) An herbaceous plant (Trillium erectum), and its astringent rootstock, which is said to have medicinal properties..
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..
Proctitis :: Proctitis (n.) Inflammation of the rectum.
Mesorectum :: Mesorectum (n.) The fold of peritoneum, or mesentery, attached to the rectum..
Perineum :: Perineum (n.) The region which is included within the outlet of the pelvis, and is traversed by the urinogenital canal and the rectum..
Colon :: Colon (n.) That part of the large intestines which extends from the caecum to the rectum. [See Illust of Digestion..
Rectal :: Rectal (a.) Of or pertaining to the rectum; in the region of the rectum.
Ischiorectal :: Ischiorectal (a.) Of or pertaining to the region between the rectum and ishial tuberosity.
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