1) Chorda tympani 
chorda tympani ... 
Type: Term Pronunciation: tim-pan′i-kōrd Synonyms: chorda tympani
tympanichord, chorda tympani 1. A derivative of the nervus intermedius (root of the facial nerve) which leaves the main nerve in the facial canal to enter the middle ear cavity. 2. A nerve given off from the facial nerve in the facial canal which passes through the posterior canaliculus of the chorda tympani into the tympanic cavity, crosses over ...