Lower gastrointestinal (GI) tract radiography, also called a lower GI or barium enema, is an x-ray examination of the large intestine, also known as the colon.This examination evaluates the right or ascending colon, the transverse colon, the left or descending colon, the sigmoid colon and the rectum.ower gastrointestinal (GI) tract radiography, also called a lower GI or barium enema, is an x-ray examination of the large intestine, also known as the colon.
Herr. n. pl. HerÂ·ren (hÄrâ²Én) Abbr. Hr. Used as a courtesy title in a German-speaking area, prefixed to the surname or professional title of a man. [German, from Middle High German.
grind verb [T] (RUB). âº to ârub something against a hard âsurface, in âorder to make it âsharper or âsmoother: She has a set of chef's âknives that she grinds every âweek. He ground down the âsharp âmetal âedges to make them âsmooth. The âcar âengine was making a âstrange grinding ânoise.