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)
A frequent TV guest star, McLellan won her first regular role on the hit series âJAGâ (2001-2005, as Jennifer Coates) and later portrayed Lisa George on the drama series âDirty Sexy Moneyâ (2007-2009). She also had recurring roles in âStar Trek: Voyagerâ and âThe Invisible Man.â.