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.
But the most common of causes is the food that you eat at breakfast, lunch or dinner. Eating habits play a major role in upset stomach. Earlier causes were more generic and also some are because of IBS and abdominal plain. Gastroenteritis, also called stomach flu, is a predominant cause for stomach ache after eating. The gastrointestinal tract gets assaulted by viruses and other flu. This results in diarrhea, stomach pain, vomiting and nausea.