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.
Subjects: Medicine and Health.