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.
It is primarily filmed in Los Angeles. The show's title is a play on Gray's Anatomy, the notable human anatomy textbook. Episodes have been broadcast on Thursday nights at 9:00 pm Eastern Standard Time (EST), since Grey's third season.s of October 15, 2015, 249 episodes of Grey's Anatomy have aired.