explain the esophageal groove and its function
Definition. The esophagus is the swallowing tube through which food passes on its way from the mouth to the stomach. The main function of this organ is to propel food down into the stomach. There is also a mechanism to prevent food from coming back up or refluxing from the stomach into the esophagus.Esophageal function tests are used to determine if these processes are normal or abnormal.he main function of this organ is to propel food down into the stomach. There is also a mechanism to prevent food from coming back up or refluxing from the stomach into the esophagus. Esophageal function tests are used to determine if these processes are normal or abnormal.