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URL of this page: //medlineplus.gov/ency/presentations/100162.htm

GI bleeding - series—Normal anatomy

GI bleeding - series - Normal anatomy

Overview

The gastrointestinal tract starts at the mouth, which leads to the esophagus, stomach, small intestine, colon, and finally, the rectum and anus. The GI tract is a long, hollow, muscular tube through which food passes, nutrients are absorbed, and wastes are eliminated.

Review Date 1/30/2023

Updated by: Michael M. Phillips, MD, Emeritus Professor of Medicine, The George Washington University School of Medicine, Washington, DC. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

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