DEFINITION of 'Commodity'. 1. A basic good used in commerce that is interchangeable with other commodities of the same type.
Brain Aneurysm Symptoms & Signs. A brain aneurysm is a bulging area within the wall of an artery that supplies the brain. In most cases, brain aneurysms do not produce symptoms. In some cases, the aneurysm may cause symptoms by pushing on other areas of the brain. Depending on the size of the aneurysm and the area involved, these symptoms can include headaches, neck pain, blurred vision, and speech changes.
Most patients with ascending aortic aneurysms do not have any symptoms. The most common symptom of an ascending aortic aneurysm is dull and vague chest pain. Some patients will have symptoms related to compression of other structures in the chest like the trachea or esophagus.