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.
(AP) Paul O'Neill, who founded the progressive metal band Trans-Siberian Orchestra, has died at 61. University of South Florida police spokeswoman Renna Reddick tells The Associated Press that O'Neill was found dead in his room by hotel staff at a Tampa Embassy Suites late Wednesday afternoon.