The length of the bridge's main span is 3,800 feet (1,158 m), which makes it the third-longest suspension span in the United States and 17th longest suspension span worldwide. It is also one of the world's longest bridges overall.
From Wikipedia, the free encyclopedia. In tetrapod anatomy, lumbar is an adjective that means of or pertaining to the abdominal segment of the torso, between the diaphragm and the sacrum. The lumbar region is sometimes referred to as the lower spine, or as an area of the back in its proximity.
What is a lumbar puncture? A lumbar puncture (LP), also known as a spinal tap, is a diagnostic and/or therapeutic procedure performed by a doctor. The procedure is performed by inserting a hollow needle into the subarachnoid space in the lumbar area (lower back) of the spinal column. The subarachnoid space is the canal in the spinal column that carries cerebrospinal fluid (CSF) between the brain and the spinal cord.