1. The two lateral sections have giant pilasters surmounted by triangular tympani . 2. The music reached a triumphal climax with crashing cymbals and pounding tympani . 3. At this location the Chorda Tympani Nerve is often identified. 4. The second parasympathetic branch that leaves the facial nerve is the chorda tympani . 5. He took up playing percussion and found a niche with the tympani drum. 6. The tegmen tympani , the roof of the tympanic cavity, is reduced. 7. The tympani _ he just touches it and you can hear everything he does. 8. The first is the greater petrosal nerve and the second is the chorda tympani . 9. Two small muscles, the tensor tympani and stapedius, also help modulate noise. 10. Both the scala vestibuli and the scala tympani contain an extracellular fluid called perilymph.