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)
Who is the actress that plays Meagan in the Progressive commercial? The actress playing Megan in the progressive commercials is Melanie Paxson. Melanie Paxson (born Melanie Deanne Moore; September 26, 1972) is an American actress. She is theâ¦ middle child of three to parents Gay and Randy Moore.