abdominal wall arteries/veins

Question 1

Superior epigastric artery and vein

Answer 1

• Branches of internal thoracic artery and vein

- supply/drain epigastric and upper umbilical regions

Question 2

Musculophrenic artery/vein

Answer 2

• Branches of internal thoracic artery and vein

- Supply/drain diaphragm and hypochondriac region

Question 3

10th and 11th posterior intercostal arteries and veins

Answer 3

• Branches of thoracic aorta
• Veins on R drain into azygos; veins on L drain into hemiazygos
• Supply/drain lumbar regions and 10th and 11th intercostal spaces

Question 4

Subcostal artery/vein

Answer 4

• Branches of thoracic aorta
• Veins on R drain into azygos v, veins on L drain into hemiazygos v
• Supply/drain lumbar regions and space under 12th rib

Question 5

Inferior epigastric artery/vein

Answer 5

• Branches of external iliac artery/vein

- Supply/drain hypogastric (pubic) and inferior umbilical regions

Question 6

Superficial epigastric artery/vein

Answer 6

• Branches of femoral artery/vein

- Supply/drain hypogastric (pubic) and inferior umbilical regions

Question 7

Deep circumflex iliac artery/vein

Answer 7

• Branches of external iliac artery/vein

- Supply/ drain R and L inguinal regions

Question 8

Superficial circumflex iliac artery/vein

Answer 8

• Branches of femoral artery/vein

- Supply/drain R and L inguinal regions

Question 9

Paraumbilical veins

Answer 9

• Drain cutaneous veins into hepatic portal vein

- Follow occluded umbilical vein

Question 10

Lymph flow above transumbilical vein

Answer 10

• Parasternal lymph nodes to bronchomediastinal trunk
• Axillary lymph nodes to subclavian trunk
• Inferior phrenic lymph nodes to intestinal trunk

Question 11

Lymph flow below transumbilical plane

Answer 11

• To superficial inguinal lymph nodes

- To lumbar trunk