The most well known types of fossilization are permineralization and carbonization or distillation. Certain parameters must be met in order for fossils to form. They are a rapid death and fast burial in relatively anaerobic conditions. Any prolonged exposure to the elements will decrease the chances of fossilization.
Almost half the time, other symptoms of appendicitis appear, including: Dull or sharp pain anywhere in the upper or lower abdomen, back, or rectum; Painful urination; Vomiting that precedes the abdominal pain; Severe cramps; Constipation or diarrhea with gas.
The common symptoms of gastroparesis are bloating, abdominal pain, nausea, feeling full after just a few bites of a meal, weight loss, and heartburn. Nausea and vomiting generally occur many hours after the last meal, usually when your stomach is fullest from both food and the secretions stimulated by the food.