Contains the spinal cord from the brain stem to the upper lumbar spine. There is no spinal cord in the lower lumbar spine. At the L1 level, the spinal cord terminates as the conus medullaris. A bundle of nerves called the cauda equina (meaning horse's tail) branch off the conus medullaris.These nerve roots are suspended in the fluid-filled dural sac.2 Thoracic vertebra (T1-T12). 5 Lumbar vertebra (L1-L5). The sacrum and coccyx are made up of 9 fused vertebrae. Each vertebra is attached to the one above and below it by ligaments and muscles and is separated from the vertebra above and below it by an intervertebral disc.
In the September 2014 Census Bureau report on income and poverty in the U.S., the median household income in America across all jobs was $51,939. That reflects 2013 information; 2014 data will be out in September of this year. That figure was not statistically different from 2012, reflecting continually stagnant wages.
Real Median Household Income in the US. The current median household income for the United States is $53,657. Real median household income peaked in 2007 at $57,936 and is now $4,279 (7.39%) lower. From a post peak low of $52,970 in 2012, real median household income for the United States has now grown by $687 (1.30%).