Urinary System

Question 1

Are the kidneys intraperitoneal or retro peritoneal structures?

Answer 1

Retroperitoneal

Question 2

Name the spinal levels at which the right and left kidneys sit

Answer 2

Right: L1-L4
Left: T12-L3

Question 3

Lymphatic drainage pathways

Answer 3

• Left to the left para aortic nodes

- Right to the right interaortocaval and paracaval nodes

Question 4

Innervation of the kidney

Answer 4

Sympathetic: T12-L1 via mainly the celiac plexus to the renal plexus
Parasympathetic: Renal branches of the vagus nerve to the celiac plexus and the renal plexus.

Question 5

Blood supply in the kidneys

Answer 5

• Renal artery
• Segmental artery
• Interlobar artery
• Arcuate artery
• Interlobular artery
• Afferent arteriole
• Glomerulus
• Efferent arteriole
• peritubular capillaries or vasa recta
• Interlobular vein
• Arcuate vein
• Interlobar vein
• renal vein

Question 6

What are the three locations of luminal construction in the ureters?

Answer 6

1. Uretopelvic junction
2. Crossing the external iliac
3. As the ureter traverses the bladder (uretovesicular junction)