Q:

The tubotympanic recess gives rise to

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The tubotympanic recess gives rise to


  1. a conduit that interconnects the middle ear and the nasopharynx
  2. the external auditory meatus
  3. the internal auditory meatus
  4. the facial canal
  5. a conduit that interconnects the perilym- phatic space with the subarachnoid space

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A. The tubotympanic recess is derived from pharyngeal pouch 1. It gives rise to the tympanic cavity and the auditory (eustachian) tube; the auditory tube interconnects the tympanic cavity with the nasopharynx.

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