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What is To visualize tympanic membrane pinna has to be pulled and explain in detail?
Outer pa of EAC (Cailage) is directed upwards, backwards and medially. Inner pa of EAC (Bone) is directed downwards, forwards and medially. Therefore, to see the tympanic membrane, the pinna has to be pulled backwards, upwards and laterally (BUL) so as to bring the two pas in alignment.