Interestingly depending on the underlying genetic abnormality the anterior-posterior gradient of heterotopia is variable: 1  anterior predilection suggests mutations of DCX. 2  posterior predilection suggests mutations of LIS1.
Sibley, North Dakota. Sibley is a city in Barnes County, North Dakota, United States. The population was 30 at the 2010 census. Sibley was founded in 1959.
Silvis, Illinois. Silvis is a city in Rock Island County, Illinois, United States. It is part of a larger metropolitan area known as the Quad Cities. The Quad Cities Metropolitan Area is situated across four counties in Illinois and Iowa. Silvis is the first community one encounters when entering the Quad Cities from the east on Interstate 88.