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.
A museum, located in the Keeper's House and operated by the Marblehead Lighthouse Historical Society, is open whenever the tower is open. See an aerial video of Marblehead Lighthouse. Note, this video was not produced by Ohio State Parks. Lakeside Daisy State Nature Preserve, in Ottawa County, south of Marblehead on the Marblehead Peninsula. 2  The historic stone home of the first lighthouse keeper, Benejah Wolcott, has been preserved as the Keeper's House and is open to the public on 2nd Saturdays, June-September.