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Facial nerve and its disorders

Question
17 out of 33
 

Which part of the facial nerve is commonly exposed through natural dehiscence in the fallopian canal?



A Horizontal part

B Upper half of the vertical part

C Lower half of the vertical part

D Labyrimthine part

Ans. A Horizontal part

Explanation: The Horizonal/tympanic part of facial nerve

Is most susceptible to injury during surgery.

Maximum bone dehiscence occur in this part adjacent to oval window.

Facial nerve and its disorders Flashcard List

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