Page 131 - untitled

AAAC58 21/5/05 10:56 AM Page 130
58 Cranial nerves VI–XII

Greater petrosal Internal auditory meatus
Facial nerve
Temporal
Middle ear
Stylomastoid foramen
Zygomatic
Chorda tympani
Buccal

Marginal
mandibular
Cervical

Fig.58.1
The course of the facial nerve.
The nerve passes through the middle ear and the parotid gland

Vagus
Spinal accessory
Cranial accessory
Foramen
magnum Internal carotid

Cardiac branch
External carotid

To sternomastoid
Pharyngeal
and trapezius
Superior laryngeal
Internal jugular vein
Internal laryngeal

External laryngeal
Cricothyroid
Cardiac branch
Subclavian artery Recurrent laryngeal (left)

Fig.58.2
The vagus and accessory nerves.
The spinal root of the accessory is shown in yellow

130 Head and neck