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.
Entrez Gene Summary for HBB Gene. The alpha (HBA) and beta (HBB) loci determine the structure of the 2 types of polypeptide chains in adult hemoglobin, Hb A. The normal adult hemoglobin tetramer consists of two alpha chains and two beta chains.Mutant beta globin causes sickle cell anemia.eneCards Summary for HBB Gene. HBB (Hemoglobin, Beta) is a Protein Coding gene. Diseases associated with HBB include sickle cell anemia and heinz body anemia. Among its related pathways are Hemostasis and Metabolism.