Valve is for the gullet.

 And Lydia written to us,that hurt behind breast, heartburn with, though about gastritis, and added diet, ache lowered , but not stopped, and doctor prescribed gastroscopy and found a hernia of gullet and esophagitis,why they are happened? Very hot, cold drinks am not drinking, spicy meal not eating,what is caused?

And this is an awesome,that you are checked for meal regime, good meal chewing, but esophagitis reason are ability lie in other cavity,and to understand his, thus need a know top physiologies top side of gastric. And this is allows to prevent disease and ask a questions in a doctor about a cure, remove displays for anatomic defect, which entering of stomach contain in gullet. And with a remedies using you cannot fight esophagitis. And gullet connecting mouth,throat with stomach, after meal swallowing or liquid gulp,a gullet ball of liquid staying in stomach and in 1.5 sec,and in healthy person he is empty and clean,as constant cleaning thanks for peristaltic thanks for peristaltic,as by saliva irrigation and juice of an own glands. And on the border of gullet and stomach having cardial sphincter, and he is opening when meal going up and down,as skip his in stomach.And back throwing of stomach containing in gullet a sphincter not allows,even he ids decides to stay on the head.And when sphincter stops to do a function for a hope valve, gastroenterologists says about his failure,as in a such pathology,as a not full his closure is happening a throw stomach juice as salted acid plus digestive ferment pepsin, or containing of a small bowel as gull plus ferments for pancreas plus juice of bowel in a gullet,damaging mucus membrane,and displaying heartburn,  behind breast ache, sour or bitter, gall taste in mouth. And author for letter will interest ,why hernia displayed? And hernias displaying of bad meal, as fast snacks, gas drinks, alchokol,  sleep after lunch, hard physical work with incline to the front.

And from a stomach happening throw  of digestive juices, protecting on which with a shortenings for longitudinal muscles of gullet,like pulling up a top  stomach part, and breast cavity and slowly forming a sliding hernia of gullet holes of diaphragm and gullet damaging in duodenal gastral reflux as a back course from a small bowel in stomach, and this is to see a doctor on  gastroscopy testing, but patients feeling bitter taste in mouth, bowel juices are alkaline, thus and happening stomach alkalization and all ending stopping stomach digestion and gastritis hard. And stomach over filled a foreign liquid til a limit, creating additional conditions for failure of cardial valve and throw a digestion juices in gullet. And circle is locked and hernia  is having or inflammation of gullet, and having and new problem is gastroesophagal refluc disease of GERD.