Panel A shows the microscopic myoarchitecture of the circular and longitudinal muscle layers of the lower esophageal sphincter and stomach. The circular muscle fibers of the esophagus cross each other ...

The risk of subsequent fecal incontinence and intestinal gas leakage is significantly higher among women who, during childbirth, have suffered a sphincter injury and consequent damage to the anal ...

Your urinary sphincter is the muscle that controls urine flow from your bladder. An artificial urinary sphincter (AUS) is a device that takes over the work of a non-functioning urinary sphincter. This ...