This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Muscle entering middle ear from pyramid apex is 
Select and explain. 
A. Stapedius, B. Tensor tympani, C. Tensor palatine, D. Auricularis
A: Stapedius
Answer: A: Stapedius 
Explanation: A conical projection, called the pyramid, lies near the junction of the posterior and medial walls of the middle ear. It has an opening at its apex for passage of the tendon of the stapedius muscle.Ref: BD Chaurasia; 6th edition; Volume 3