n. inflammation of the rectum and colon, usually due to *ulcerative colitis. See also proctitis.
n. (pl. enemata or enemas) a quantity of fluid infused into the rectum through a tube passed into the anus. An evacuant enema (soap or olive oil) is used to remove faeces. A therapeutic enema is used to insert drugs into the rectum, commonly corticosteroids or aminosalicylates in the treatment of *proctocolitis. See also barium enema; small-bowel enema.... enema
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