n a fatlike substance forming a sheath around certain nerve fibers. It is associated with volitional nervous system fibers and is believed to be related to the capacity of nerve structures for rapid transmission of nerve impulses. Various diseases, such as multiple sclerosis, can destroy these myelin wrappings.
Notable Neutrogena spokesmodels include: 1  Mischa Barton, actress (The O.C.) 2  Kristen Bell, actress (Veronica Mars, Heroes, Gossip Girl) 3  Josie Bissett, actress (Melrose Place)  Julie Bowen, actress (Ed, Lost, Boston Legal, Modern 1  Family) Jennifer Freeman, actress (My Wife & Kids)  Jennifer Garner, actress (Alias)
Sophie Jackson . (McKaley Miller) Sheâs a social media darling, and the only thing she has more of than beauty tips are followers. Sophie entered this contest with two things in mind: to get more social media followers, and to look good doing it.