The zone is named after one of the diagnostic species. Oppel zones are thus more flexible and subjective than concurrent range zones in the rigorously applied sense of that term, although the term âconcurrent range zoneâ is commonly used for what is, in fact, an Oppel zone.Cite this article. Pick a style below, and copy the text for your bibliography.he zone is named after one of the diagnostic species. Oppel zones are more flexible and subjective than concurrent range zones in the rigorously applied sense of that term, although âconcurrent range zoneâ is commonly used for what is in fact an Oppel zone. Cite this article.
The most frequent causes of abdominal pain are gastroenteritis (13%), irritable bowel syndrome (8%), urinary tract problems (5%), inflammation of the stomach (5%) and constipation (5%). In about 30% of cases, the cause is not determined.
Indigestion (also known as dyspepsia) happens to almost everyone from time to time. Eating habits or a chronic digestive problem can trigger indigestion. Indigestion can cause stomach pain or bloating. You may also have heartburn, nausea, and vomiting.Other common symptoms of indigestion include: 1  feeling full during a meal and not being able to finish eating. 2  feeling extremely full after eating a normal-sized meal.ommon digestive diseases that can cause indigestion include: 1  acid reflux disease (also called GERD). 2  gastric cancer. 3  pancreatic or bile duct abnormalities. 4  peptic ulcers (sores in the lining of the stomach and esophagus caused by the H. pylori bacteria).