Planckâs theory and thermodynamics. Max Planck described the methods he used to develop his famous blackbody radiation equation in a series of lectures at Columbia University in 1915. These lectures were recorded (1), and the published document is the information source for these articles.
Symptoms will generally only occur when there is a complication. The most common symptom is immense upper abdominal pain, though it may radiate down to the belly button. This pain will occur periodically, occurring every few days, months, or even years. Other symptoms include nausea, vomiting, fever, bloating, belching, and jaundice.
Quick Answer. Stabbing pain in the navel area is known as pelvic pain, and it has multiple causes. Abdominal pain below the belly button can be harmless, such as PMS, also known as premenstrual syndrome, or a sign of fertility; however, the pain might be something far more serious, such as a life-threatening condition, according to WebMD.