See Also: descending part of facial canal(medicine)
horizontal part of facial canal(medicine)
lateral crus of horizontal part of the facial canal(medicine)
medial crus of the horizontal part of the facial canal(medicine)
descending part of aorta(medicine)
descending part of duodenum(medicine)
facial canal(medicine)
hiatus of facial canal(medicine)
genu of facial canal(medicine)
prominence of facial canal(medicine)

descending part of facial canal (medicine)


descending part of facial canal
Second portion of the facial canal, after the horizontal parts, beginning at the posterior end of the lateral crus where the canal begins to descend. It runs vertically downward, ending at the stylomastoid foramen. Anteriorly, the descending part of the facial canal communicates with the tympanic cavity via the canaliculus for the nerve to the stapedius muscle and the posterior canaliculus of the chorda tympani.