The catecholamine metabolites vanillylmandelic acid and homovanillic acid can be measured quantitatively in the urine as a test for the disease. Pheochromocytoma is a benign tumor derived from the adrenal medulla or sympathetic paraganglia. The tumor secretes epinephrine and norepinephrine. These catecholamines cause attacks of hypertension, headache, nausea and vomiting, sweating, pallor and severe apprehension.
Cloud Gate is a sculpture designed by British artist Anish Kappor, located in AT & T Plaza of Millennium Park within the Loop Neighborhood in Chicago, Illinois. Constructed between 2004 and 2006, the sculpture was unveiled during the summer of 2004.
Building a Landmark. Workers completed the Golden Gate Bridge in 1937. When the immediate landmark opened to the public, few of the men who had built it attended the celebration. Most of them figured they had seen enough of the structure.