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.
Warning: Spoilers ahead for Grey's Anatomy's Thursday, May 19, season 12 finale! So long, Callie! Sara Ramirez announced on Thursday, May 19, that she is leaving Grey's Anatomy after 10 years of playing Dr. Callie Torres on the hit ABC medical drama.