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.
Alabama is the 30th largest state in the United States with 52,423 square miles (135,775 kmÂ²) of total area: 3.19% of the area is water, making Alabama 23rd in the amount of surface water, also giving it the second largest inland waterway system in the United States.