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nouna ring of muscle that contracts to close an opening
Similar:
Definition that contains sphincter
- piles venous swelling external or internal to the anal sphincter
- hemorrhoid venous swelling external or internal to the anal sphincter
- haemorrhoid venous swelling external or internal to the anal sphincter
- pyloric stenosis narrowing of the pyloric sphincter that blocks the passage of food from the stomach into the duodenum
- micturition reflex relaxation of the urethral sphincter in response to increased pressure in the bladder
- musculus sphincter ductus pancreatici the smooth muscle sphincter of the main pancreatic duct
- physiological sphincter a sphincter that is not recognizable at autopsy because its resting arrangement cannot be distinguished from adjacent tissue
- cardiac sphincter the valve between the distal end of the esophagus and the stomach; the physiological sphincter at the esophagogastric junction
- pyloric valve the sphincter muscle of the pylorus that separates the stomach from the duodenum
- musculus sphincter pylori the sphincter muscle of the pylorus that separates the stomach from the duodenum