Scalp

Question 1

Sensory innervation of scalp from

Answer 1

cranial nerves and cervical nerves

Question 2

Anterior to ears and vertex supplied by branches of trigeminal nerve

Answer 2

Supra-trochlear, supraorbital
Zygomaticotemporal
Auriculotemporal

Question 3

Posterior to ears and vertex by cervical nerves

Answer 3

Great auricular (anterior rami of C2-3)
Lesser occipital (antrior ramus of C2)
Greater occipital nerve (posterior ramus C2)
Third occipital nerve (posterior ramus C3)

Question 4

Ear sensory innervation

Answer 4

Top - auriculotemporal nerve
Posterior middle - lesser occipital
Bottom - greater auricular nerve
Inner middle - auricular branch of vagus

Question 5

Arteries supplying scalp

Answer 5

Either branches of external carotid artery or ophthalmic artery (branch of internal carotid artery)

Question 6

Branches of ophthalmic artery

Answer 6

supratrochlear and supraorbital for anterior and superior aspect of scalp

Question 7

3 branches of external carotid artery

Answer 7

superficial temporal - terminal branch (lateral aspect)
posterior auricular - smallest branch (behind ears)
occipital artery - posterior aspect

Question 8

Lymphatics of scalp

Answer 8

Posterior to vertex of head - mastoid nodes

Anterior - pre-auricular and parotid nodes