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.
Milroy's disease (congenital lymphedema). This disorder begins in infancy and causes lymph nodes to form abnormally. Meige's disease (lymphedema praecox). This disorder often causes lymphedema around puberty or during pregnancy, though it can occur later, until age 35.