When blood flow in the arteries supplying the kidneys is completely blocked, the entire kidney or a portion of the kidney supplied by that artery dies (kidney infarction). Kidney infarction can lead to the inability of the kidneys to process and excrete the body's waste products (kidney failure). Blood vessel disorders of the kidneys have a number of causes, including blockages in the renal arteries or veins, inflammation of blood vessels , injury to the kidneys or blood vessels, and other disorders.
Iditarod veteran Kelly Maixner, of Big Lake, Alaska, leaves Nenana, Alaska on Monday, March 9, 2015. Nenana is the first checkpoint in the 2015 Iditarod and is about 60 river miles from the start in Fairbanks, Alaska. The Iditarod is a nearly 1,000-mile race that usually runs from Willow, Alaska to Nome, Alaska.
Historic Iditarod Trail. The Iditarod Trail was a trail that connected a point 50 miles (80 km) north of Seward, Alaska, where a forerunner of the Alaska Railroad ended, through Iditarod, Alaska and then to Nome. The trail was about 1,150 miles (1,850 km) long. The Iditarod Trail's antecedents were the native trails of the Dena'ina and Deg Hit'an Athabaskan Indians and the Inupiaq and Yup'ik Eskimos.