The stomach and first part of the small intestine (duodenum) is connected by pylorus which has 2 parts. The on the stomach opening is called pyloric antrum and the opening in the duodenum is the pyloric canal type.
epiglottis
The name of the sphincter between the esophagus and the stomach is called the LES, or lower esophageal sphincter.
Esophagus
A band of muscles at the opening of the stomach called the Cardiac (due to its proximity to the heart) Sphincter.
The sphincter located between the esophagus and the fundus of the stomach is called the lower esophageal sphincter (LES). It is a muscular ring that opens to allow food to enter the stomach and then closes to prevent stomach acid from flowing back into the esophagus.
Esophagus.
esophagus
The Pylorus (the valve between the stomach and duodenum is the pyloric valve)
Osophagus
The esophagus connects the oral cavity to the stomach. It is a muscular tube that carries food and liquids from the mouth to the stomach through a series of coordinated muscle contractions called peristalsis.
Pyloric Sphincter
Esophagus