General Discussion. Collagen type VI-related disorders encompass two genetic muscle disorders formerly thought to be separate entities: Bethlem myopathy and Ullrich congenital muscular dystrophy.
Sponsored Topics. Marblehead is a town in Essex County, Massachusetts, United States. The population was 19,808 at the 2010 census. It is home to the Marblehead Neck Wildlife Sanctuary and Devereux Beach.
Marblehead Lighthouse in Marblehead, Ohio, United States, is the oldest lighthouse in continuous operation on the United States side of the Great Lakes.he five lighthouses are Split Rock Light on Lake Superior, St Joseph Light on Lake Michigan, Spectacle Reef Light on Lake Huron, Marblehead Light (Ohio) on Lake Erie and Thirty Mile Point Light on Lake Ontario. In 2001-2002 the state renovated the tower and keeper's house at a cost of $500,000.