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.
Costochondritis - Signs and symptoms. 1  Pain or tenderness to palpation usually occurs on the sides of the sternum, affects multiple ribs, and is often worsened with coughing, deep breathing, or physical activity.