Rellena los espacios en blanco para completar el texto.
Fill in the blanks below to describe the structures surrounding the gastresophageal junction.
There is no lower oesophageal sphincter because the muscular wall of the oseophagus does not at this region. However, at the oseophageal hiatus in the , the muscle of the diaphragm loops around the . This creates a functional sphincter whereby of the diaphragm controls entry into the stomach.