Below and anterior to the facial nerve through the promontory.
Facial Nerve, a motor nerve which supplies the muscles of expression on either side of the face.
In severe cases, the facial nerve may be stretched with benefit, either at its exit from the stylo-mastoid foramen or on the face.
The facial nerve and its branches traverse the lower third of the gland from behind forwards.
There is severe neuralgic pain, and paralysis from involvement of the facial nerve is an early symptom.
Only in rare cases does paralysis result from pressure on the facial nerve.
Persistent paralysis may follow destruction of the facial nerve; and salivary fistulæ may form.
(iii) If there be facial nerve paralysis the result of pressure from the foreign body.
The facial nerve may also be injured whilst curetting away granulations in the upper posterior part of the tympanic cavity.
It is this accidental slipping of the instrument which is often responsible for injury to the lateral sinus or the facial nerve.