| 
									
										| 
												
													
													| 
															
				
															
															
															
					| 
		
			| DuodenumThe duodenum, or the first part of the small intestine, connects to the stomach. The duodenum is about 10 in. (25.4 cm) long and curved, almost forming a circle.Current as of:
                May 12, 2017Author:
          Healthwise Staff  Medical Review:
          E. Gregory Thompson, MD - Internal Medicine & Adam Husney, MD - Family Medicine & A. Evan Eyler, MD, MPH - Family Medicine, Psychiatry |  |  |  |  |  |