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.
On February 10, 2017, ABC renewed Grey's Anatomy for a fourteenth season, which premiered on September 28, 2017. The series' success catapulted such long-running cast members as Pompeo, Dempsey, and Oh to worldwide recognition; they were among the top five highest-earning television actors in 2013.