Acetylcholine is also used as a neurotransmitter in the autonomic nervous system, both as an internal transmitter for the sympathetic nervous system and as the final product released by the parasympathetic nervous system.
Vanessa Marano played Holly Wheeler in the season eight Grey's Anatomy episode The Girl with No Name. She also played Casey in the season four Private Practice episode The Hardest Part. Vanessa Marano was born October 31, 1992 in Los Angeles, California.
Mini Bio (1). Jeffrey Dean Morgan endeared himself to audiences with his recurring role on ABC's smash hit series, Grey's Anatomy (2005). His dramatic arc as heart patient Denny Duquette, who wins the heart of intern Izzie Stevens (Katherine Heigl) in a star-crossed romance, made him a universal fan favorite.is mother, Sandy, is a big fan of Grey's Anatomy (2005). Was in a relationship with his Weeds (2005) co-star Mary-Louise Parker from August 2006 - April 2009. He is of primarily Scottish heritage. He and his Watchmen (2009) co-star Billy Crudup both have been in a relationship with Mary-Louise Parker.