Veins and Arteries in Lateral Cervical Region

Question 1

Where does the external jugular vein begin?

Answer 1

Near the angle of the mandible (below ear) (through union of retromandibular vein and auricular vein)

Question 2

What is the course of the external jugular vein?

Answer 2

Obliquely to SCM, deep to platysma, and pierces layer of deep fascia (descends below lateral cervical and ends in the subclavian vein)

Question 3

Where does suprascapular artery originate?

Answer 3

Cervicopdorsal trunk or directly from subclavian artery

Question 4

What is course of suprascapular artery?

Answer 4

Passes inferolaterally across anterior scalene muscle and phrenic nerve

Question 5

What is the distribution of suprascapular artery?

Answer 5

Supplies muscles on posterior aspect of scapula

Question 6

What is the origin of the vertebral artery?

Answer 6

Subclavian artery

Question 7

What is the distribution of the vertebral artery?

Answer 7

Cranial meninges and cerebellum

Question 8

What is the origin of the dorsal scapular artery?

Answer 8

Subclavian artery

Question 9

What is the distribution of the dorsal scapular artery?

Answer 9

Rhomboids and levator scapulae