The esophageal sphincters are bands of muscles at the top and bottom of the esophagus — the muscular tube that passes food and drink from the mouth to the stomach. Esophageal sphincters open and close ...

The sphincter of Oddi is a muscular valve that plays a vital role in digestion. It controls the flow of bile and pancreatic juice. It opens and closes to let the juices flow from the liver and ...

A retrospective study of patients with distal rectal cancer at Memorial Sloan Kettering Cancer Center (MSK) has found a higher rate of local recurrence after intersphincteric resection with handsewn ...

STANFORD, Calif. — A new study shows that muscle cells grown in the lab can restore an intestine's ability to squeeze shut properly. The work, performed in dogs and rats, might ultimately help treat ...