Vascular Supply of the Upper Limb

Question 1

describe arterial pathway of upper limb

Answer 1

subclavian, axillary, brachial, radial/ulnar

Question 2

describe the pathway of vertebral arteries to BOOST blood supply of the anterior and posterior spinal arteries

Answer 2

1. aorta
2. posterior intercostal artery
3. segmental spinal artery > splits into 3 (posterior & anterior radicular arteries - END AT ROOTS + segmental medullary artery which supplies BOTH anterior and posterior spinal arteries

Question 3

describe the pathway of the MAIN artery supply to the anterior and posterior spinal arteries

Answer 3

1. aorta
2. subclavian artery
3. vertebral artery
4. 1x anterior + 2x posterior spinal arteries