The pyloric sphincter prevents the regurgitation of chyme from the duodenum into the stomach. It also controls the flow of chyme into the intestine, which provides the intestines with a manageable volume of chyme from which to absorb nutrients.
Pittsburgh star James Conner diagnosed with cancer. Conner says he has Hodgkin lymphoma, but he vows to play again.
When Duncan was first admitted to Texas Presbyterian Hospital, health officials decided against transferring him to a special isolation unit that was used in other high-profile cases of missionary workers returning to the U.S. The Dallas hospital was âwell preparedâ to look after its single case of Ebola, the CDC said.