The idea of the bridge was discussed in the Michigan Legislature as early as the 1880s. At the time, the Straits of Mackinac area was becoming a popular tourist destination, especially following the creation of Mackinac National Park on Mackinac Island in 1875.
The most common location for this malformation is the lumbar spine, the lower back. Because, by definition, a meningocele does not include any malformation of the spinal cord, typically there are not significant neurological symptoms of this malformation. The typical presentation is a bulging sac on the lower back in a newborn child.
Most people have five vertebrae in their lumbar (lower back) region, which are named L1 to L5. However, some people possess an additional lumbar vertebra located below the L5.This extra vertebra, known as the L6, is called a transitional vertebra.ost people have five vertebrae in their lumbar (lower back) region, which are named L1 to L5. However, some people possess an additional lumbar vertebra located below the L5.