Kidney: Supply

Question 1

Arterial supply

Answer 1

1. Renal artery
2. Accesory renal artery (30%)

Question 2

Renal artery

Answer 2

1. From aorta side opposite 2nd lumbar vertebra upper border
2. Left renal artery is shorter and lies behind its vein
3. Renal artery is longer and lies behind left renal vein end, IVC, and right renal vein

Question 3

Accessory renal artery (30%)

Answer 3

1. From aorta side, just above or just below renal artery
2. Runs lateral parallel to it
3. Enters kidney upper and lower pole

Question 4

Venous drainage

Answer 4

Renal veins run horizontally in front of renal arteries to open into IVC left vein is longer, crosses anterior to aorta below superior mesenteric artery origin

Question 5

Lymph drainage

Answer 5

To hilar lymph nodes around renal artery then to para-aortic lymph nodes

Question 6

Nerve supply

Answer 6

Sympathetic and parasympathetic fibers from renal plexus (around renal artery) which is derived from celiac plexus