Noun: cardiac sphincter
- The valve between the distal end of the oesophagus and the stomach; the physiological sphincter at the esophagogastric junction
"The cardiac sphincter prevents stomach acid from refluxing into the oesophagus"
Type of: physiological sphincter
Part of: esophagus [N. Amer], gorge, gullet, oesophagus [Brit, Cdn]
Encyclopedia: Cardiac sphincter