[edit on Wikidata] Leukodystrophy is one of a group of disorders characterized by degeneration of the white matter in the brain. The word leukodystrophy comes from the Greek roots leuko, white, dys, lack of, and troph, growth.
The bottom part of the stomach is called the pyloric area. At the bottom of the stomach is another opening. This leads to the small intestine. One of the most important parts of the stomach (and generally of the digestive system) is the bacterial fauna that populates it.
Upper central abdominal pain is abdominal pain occurring just below the breast bone, at the top of the abdomen between both rib cages down to the level of the umbilicus or belly button. This part of the abdomen is also known as the epigastrium or epigastric region.