Mac OS X: This is the version most Macintosh owners should use. It is a consumer operating system designed for use on your personal computer. For more information, see Apple's Mac OS X page and Developer page for Mac OS X.
Prepyloric Ulcer Drugs. Treatment for peptic ulcer disease usually requires killing the Helicobacter pylori bacteria in the stomach. This is accomplished by taking a combination of antibiotics and acid-blocking drugs. The antibiotics must be taken for 14 days.
a JustAnswer user. Pre' means before and' Pyloric' is the name of the valve on top of stomach. The pyloric valve functions as a trapdoor to keep food and gastric juices in the stomach. The esophagus (and mouth, which is part of the GI Tract) would be Pre-Pyloric. That's the definition.