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What is Retraction of tympanic membrane touching the promontory. It is called ? and explain in detail?
Ans. is 'c' i.e., Atelectasis Tympanic membrane retraction The retracted segment of eardrum is often known as a retraction pocket. The terms "atelectasis" or sometimes "adhesive otitis media" can be used to describe retraction of a large area of the pars tensa.