Polycystic kidney disease (PKD) is a genetic disorder characterized by the growth of numerous cysts in the kidneys. The kidneys are two organs, each about the size of a fist, located in the upper part of a person's abdomen, toward the back. The kidneys filter wastes and extra fluid from the blood to form urine. Polycystic kidney disease (PKD) is a genetic disorder characterized by the growth of numerous cysts in the kidneys. 2  Autosomal dominant PKD is the most common inherited form while autosomal recessive PKD is a rare.
Alabama's Mountain Region contains the state's largest lake: Lake Guntersville. Cradled in the Appalachian foothills of northern Alabama, Lake Guntersville is located between Bridgeport and Guntersville, stretching out over 75 miles into Tennessee (near Chattanooga) and occupying 69,000 acres.
6 In east-central Louisiana, the Red River flows into the Atchafalaya River, a distributary of the Mississippi River. Data on average discharge, length, and drainage area include the Red River, but exclude all water diverted into the Atchafalaya from the Mississippi River. Source: U.S. Geological Survey, Largest Rivers in the United States, Open File Report 87-242, May 1990. http://mapping.usgs.gov/. http://www.allcountries ...