Summary. This article outlines the steps you must take to find out what version of Java is running in your Windows 7 computer.ummary. This article outlines the steps you must take to find out what version of Java is running in your Windows 7 computer.
Achalasia is a disorder of the esophagus. There is a lower esophageal sphincter, which is a muscle, where the esophagus meets the stomach. In achalasia, that sphincter does not relax enough, there are fewer nerves than normal and there is no peristalsis in the lower two-thirds of the esophagus.
Human Physiology/The gastrointestinal system - Esophagus. 1  The esophagus (also spelled oesophagus/esophagus) or gullet is the muscular tube in vertebrates through which ingested food passes from the throat to the stomach. The esophagus is continuous with the laryngeal part of the pharynx at the level of the C6 vertebra.