Columbus, Ohio. ORIGINAL CONSTRUCTION DETAILS. THE MACKINAC BRIDGE was constructed during. the period from April 1954 to November 1957, wi th the pavement surfacing on the Bridge. decks and the approaches being placed during. the last year, 1957.
Lumbar Puncture. Guide. A lumbar puncture (also called a spinal tap) is a procedure to collect and look at the fluid (cerebrospinal fluid, or CSF) surrounding the brain and spinal cord. During a lumbar puncture, a needle is carefully inserted into the spinal canal low in the back (lumbar area).Samples of CSF are collected.uide. A lumbar puncture (also called a spinal tap) is a procedure to collect and look at the fluid (cerebrospinal fluid, or CSF) surrounding the brain and spinal cord. During a lumbar puncture, a needle is carefully inserted into the spinal canal low in the back (lumbar area). Samples of CSF are collected.
What are the reasons for a lumbar puncture? A lumbar puncture may be performed for various reasons. The most common reason is to remove a small amount of CSF for examination and diagnosis of various disorders.