This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ear, Subject name: ENT
Areas of spontaneous healed pa of tympanic membrane are called as 
Select and explain. 
A. Dimeric, B. Pontiac, C. Both of the above, D. None of the above
A: Dimeric
Answer: A: Dimeric 
Explanation: Healed tympanic membrane has only two layers - Epithelial and mucosal layers Middle fibrous layer is absent Ref: Dhingra 7e pg 59.