Varicose veins. For other uses, see Varices. Varicose veins are veins that have become enlarged and twisted. The term commonly refers to the veins on the leg, although varicose veins can occur elsewhere. Veins have pairs of leaflet valves to prevent blood from flowing backwards (retrograde flow or venous reflux).
Sand Lake, Michigan. Sand Lake is a general law village in Kent County in the U.S. state of Michigan. The population was 500 at the 2010 census.
Grand Lake is a large 8.8 square miles (23 km 2) lake in Presque Isle County. While it is not the largest inland lake in Michigan, it does contain the most inland islands. At its shortest distance, it is located less than one mile (1.6 kilometres) from Lake Huron, but the two are not connected.