Right upper quadrant, or RUQ, is a term used to describe the right upper part of the abdomen, and two organs found in this quadrant are the gallbladder and the right kidney. Other structures found in this area are the duodenum and parts of the liver, pylorus and colon.
The body is divided into various regions for the purpose of description. The body has four abdominal quadrants and nine abdominal regions. Most of the organs and partial organs in the right upper quadrant function as part of the digestive system, but the right kidney deals with fluid regulation and excretion.