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AAAC57 21/5/05 10:56 AM Page 128
57 The trigeminal nerve (V)

Supratrochlear
Supraorbital
Infratrochlear Skin of face

Ethmoidal Parasympathetic
fibres from
sphenopalatine ganglion
Nasociliary Frontal
Long posterior Lacrimal
ciliary Superior orbital
Optic nerve fissure
Ophthalmic division
Fig.57.1
The course and branches of the ophthalmic division
Lacrimal gland
of the trigeminal nerve.
Ophthalmic division
Parasympathetic fibres are shown in orange
F. rotundum
Maxillary division
Mandibular division
Sphenopalatine ganglion
Infra-orbital
Nasal branches

Greater palatine
Sphenopalatine
Lesser palatine
Posterior superior dental
Incisive fossa
Fig.57.2
The course and branches of the maxillary division of the trigeminal nerve.
Parasympathetic fibres are shown in orange

Deep temporal (to temporalis)
Auriculotemporal
Foramen ovale Otic ganglion

Muscular branches
Buccal
Parotid gland
Chorda tympani
Lingual Inferior alveolar

Submandibular ganglion
Mylohyoid nerve
Submandibular gland
Fig.57.3
The course and main branches of the mandibular division of the trigeminal nerve.
The fibres of the chorda tympani are shown in yellow

128 Head and neck