thoracic arteries/veins

Question 1

left posterior intercostal veins

Answer 1

• drain into hemiazygos (bottom thoracic)
• drain into accessory hemiazygos (4-8)
• drain into L superior intercostal vein (top few)
• drain posterior and lateral thoracic wall

Question 2

posterior intercostal arteries

Answer 2

• branches of thoracic aorta

- supply posterior and lateral walls of thorax

Question 3

bronchial arteries

Answer 3

• branches of the descending aorta

- supply bronchial tree, lung tissue and visceral pleura

Question 4

anterior intercostal veins

Answer 4

• drain into internal thoracic veins

- drain anterior thoracic wall and medial breast

Question 5

pulmonary veins

Answer 5

• drain into L atrium

- drain distal bronchial tree, lung tissue and visceral pleura

Question 6

right posterior intercostal veins

Answer 6

• drain into azygos vein

- drain posterior and lateral thoracic wall

Question 7

bronchial veins

Answer 7

• drain into azygos, accessory hemiazygos, or left superior intercostal vein
• drain proximal part of bronchial tree and proximal lung tissue

Question 8

pericardiacophrenic artery

Answer 8

• branch of internal thoracic artery

- supplies pericardium and diaphragm

Question 9

anterior intercostal arteries

Answer 9

• branches of the internal thoracic arteries

- supply anterior thoracic wall and medial breast

Question 10

pericadiacophrenic vein

Answer 10

• drains into internal thoracic or brachiocephalic vein

- drains pericardium and diaphragm