Barium swallow is used for: (A) Esophagus, (B) Colon, (C) Duodenum, (D) Jejunum
Answer is A. The esophagus is a muscular tube connecting the throat (pharynx) with the stomach.
The esophagus is about 8 inches long and is lined by moist pink tissue called mucosa.
The esophagus runs behind the windpipe (trachea) and heart, and in front of the spine.