About lateral pterygoid muscle which of the following statement is true: (A) Protrude mandible, (B) Arible from infra temporal fossa & Lateral pterygoid plate, (C) Supplied by facial nerve, (D) Inseed into fovea of mandible
Answer is A. Lateral pterygoid muscle is sho and conical.It has upper and lower heads. Actions: - Depresses mandible to open mouth, with suprahyoid muscles, - Protrudes mandible, - Right lateral pterygoid turns the chin to left side. Ref: BD Chaurasia's HUMAN ANATOMY, Volume 3, 4th edition.