Abdominal Wall And Peritoneum

Question 1

Layers of the abdomen

Answer 1

Skin
Campers fascia
Scarpas fascia
Muscle (x3 or just rectus abdominus)
Transversalis fascia
Extra peritoneal fascia
Peritoneum

Question 2

Arterial supply

Answer 2

Superior epigastric from internal thoracic
Inferior epigastric from external iliac

Both arteries run under rectus abdominus on top of transversalis fascia

Question 3

Nerve supply and where neurovascular plain runs

Answer 3

Lateral and anterior branches of 7-12 intercostal nerves and iliohypogasyric nerve at L1

Neurovascular plain in between internal oblique and transversus abdominis

Question 4

Venous drainage of abdomen

Answer 4

Thoracoepigastric veins drain to axillary

Superficial epigastric veins drain to femoral vein

Question 5

Lymphatic drainage

Answer 5

Anterior and posterior axillary

Superficial inguinal