Anatomy-Branches of External Carotid

Question 1

Superior Thyroid

Answer 1

Upper pole of thyroid; accompanied by external laryngeal n. (cricothyroideus)

Question 2

Ascending Pharyngeal

Answer 2

Supplies pharyngeal wall

Question 3

Lingual

Answer 3

Crossed by hypoglossal n. Supplies tongue

Question 4

Facial

Answer 4

Supplies tonsil, submandibular gland, muscles and skin of face

Question 5

Occipital

Answer 5

Back of scalp

Question 6

Posterior Auricular

Answer 6

Auricle and scalp

Question 7

Superficial Temporal

Answer 7

Supplies scalp; palpated anterior to auricle, accompanied by auriculotemporal n.

Question 8

Maxillary a.

Answer 8

Medial to neck of mandible, leaves infratemporal fossa via pterygomaxillary fissure, enters pterygopalatine fossa, follows CN V2

Question 9

Middle Meningeal (branch of maxillary)

Answer 9

Enters through foramen spinosum, supplies periosteal dura, anterior branch is close to motor cortex, may be injured with impact to pterion, resulting in epidural hemorrhage