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.
Carburizing, also referred to as Case Hardening, is a heat treatment process that produces a surface which is resistant to wear, while maintaining toughness and strength of the core. This treatment is applied to low carbon steel parts after machining, as well as high alloy steel bearings, gears, and other components.