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 are elevators of mandible except
assistant
The correct answer is  Digastric muscle has two bellies united by an intermediate tendon ORIGIN- a.Anterior belly from digastric fossa of mandible b.Posterior belly from mastoid notch of temporal bone INSEION-Both heads meet at the intermediate tendon which perforates SH and is held by a fibrous pulley to the hyoid bone NERVE SUPPLY- a.Anterior belly by nerve to mylohyoid b.Facial nerve ACTIONS- a. Depress mandible when mouth is opened widely or against resistance; it is secondary to lateral pterygoid b.Elevates hyoid bone Ref BDC volume 3,sixth edition pg 132