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.
Overview. The esophagus is a tube that connects the mouth and throat with the stomach (food pipe). When a person swallows, the muscular wall of the esophagus contracts to help push food down to the stomach. There are two main types of cancer that can occur in the esophagus.