foregut
/ˈfɔrˌgʌt/
noun
- The front part of the digestive system in animals, including the mouth, esophagus, and stomach.
- The cow's foregut contains multiple chambers that help digest grass.
- In humans, the foregut develops into the esophagus, stomach, and part of the small intestine.
- Doctors studied the foregut to understand how acid reflux affects the esophagus.