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AAAC65 21/5/05 11:01 AM Page 144
65 The upper part of the neck and the submandibular region

Hypoglossal nerve

Internal jugular vein
Internal carotid artery
Occipital artery

Glossopharyngeal nerve
Spinal accessory nerve
Superior laryngeal nerve Vagus nerve

Hypoglossal nerve
C2
Lingual artery

Internal laryngeal nerve C3

External laryngeal nerve

Superior ramus of
ansa cervicalis
Fig.65.1
The last four cranial nerves and their relation to the large vessels
Disc
Fibrocartilage

Head of External
mandible auditory
Lateral meatus
pterygoid
Styloid Mastoid
process
process
Fig.65.2
The temporomandibular joint

Lingual branch
of V
Stylohyoid and
styloglossus
Sublingual gland
XII
Submandibular duct Genioglossus
Lingual artery Hyoglossus

Geniohyoid
Hyoid
Fig.65.3
The extrinsic muscle of the tongue and the related nerves

144 Head and neck