What is another word for cardiac sphincter?
Pronunciation: [kˈɑːdɪˌak sfˈɪŋktə] (IPA) 
The cardiac sphincter is a muscular valve located in the upper part of the stomach that controls the flow of food from the esophagus into the stomach. There are several synonyms for cardiac sphincter, including the lower esophageal sphincter (LES), the gastroesophageal junction, and the esophagogastric junction. The LES is the term used by medical professionals to refer to the cardiac sphincter. The gastroesophageal junction is another common term used to describe this valve. This junction is a region where the esophagus meets the stomach and is responsible for preventing stomach acid from refluxing into the esophagus. Lastly, the esophagogastric junction is a term used to represent the anatomical location where the esophagus and stomach meet.
