system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All of the following muscles are derived from second branchial arch except:
assistant
The correct answer is  All muscles derived from the second arch are supplied by CN VII. They include stapedius, posterior belly of digastric, stylohyoid, auricular muscles (anterior, superior and posterior) and all mimetic muscles of face including buccinator. Anterior belly of digastric is innervated by trigeminal (V3 division) nerve.