Myelinated nerve fibers occur predominantly in the cranial and spinal nerves and compose the white matter of the brain and spinal cord. It is the myelin sheath that gives the whitish color to the areas of white matter. Unmyelinated fibers are abundant in the autonomic nervous system. Patient discussion about myelin
The actress in the Progressive Insurance commercial is Stephanie Courtney. Her commercial name is Flo. Other roles in which Stephanie Courtney has appeared: Mad Men (Marge, a secretary) Blades of Glory (reporter) The Brothers Solomon (Sara)
YouTube car rapper stars in new Acura commercial. Chelsea Ranger, who became a YouTube sensation singing along to Salt-N-Pepa in her car last fall, does an encore in an Acura commercial. A screen grab from the hugely popular YouTube video in which Chelsea Ranger rapped along with Salt-N-Peppa in her car last fall. Ad executives saw it and decided to hire her to rap in an Acura commercial. (Facebook) A screen grab from Chelsea Ranger's Acura RDX commercial. Ranger sings âRaptureâ in the commercial, to be aired on major U.S. networks. (YouTube)