Cutaneous innervation of face and scalp

Question 1

What spinal nerves innervate the back of the head?

Answer 1

Greater occipital (C2)
Third occipital (C3)
Lesser occipital (C2/C3)

Question 2

What are the 3 branches of the trigeminal nerve ( CNV)

Answer 2

Opthalmic (Va)
Maxillary ( Vb)
Mandibular (Vc) - emerge from lateral pons

Question 3

Where do each of the 3 CNV branches pass through?

Answer 3

Va- Sup. orbital fissure
Vb- Round foramen
Vc- Oval foramen

Question 4

What are the branches of the opthalmic division?

Answer 4

Frontal ( supraorbital and supratrochlear), nasociliary ( Ant. ethmoidal (into ext nasal), post. ethmoidal and infratrochlear)
Lacrimal

Question 5

What are the branches of the maxillary division?

Answer 5

Zygomaticotemporal
Zygomaticofacial
Infraorbital

Question 6

How does the mandibular division divide?

Answer 6

Anterior (4) and posterior divisions (3, 1 with 2 branches)

Question 7

How does anterior mandibular division divide?

Answer 7

Buccal
Lateral pterygoid, Deep temporal, Masseteric ( the muscles of mastication)
Nerve to medial Pt arises from main CNVc

Question 8

How does the posterior mandibular division divide?

Answer 8

Auriculotemporal, Lingual, Inferior alveolar (into)> Mylohyoid and mental nn

Question 9

What do each of the