Urinary System – Review of Clinical Anatomy Flashcards Preview

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Flashcards in Urinary System – Review of Clinical Anatomy Deck (12):

Kidney Fun Facts:

  • Length
  • Width
  • Thickness
  • Surfaces
  • Borders
  • Poles
  • Weight
  • Hilum

  • Length: 10-11 cm (left kidney slightlylonger)
  • Width: 5-6 cm (left kidney slightlynarrower)
  • Thickness: 2.5-3 cm
  • Surfaces: Anterior & Posterior
  • Borders: Lateral (convex) & Medial (concave)
  • Poles: Upper (superior) & Lower (inferior)
  • Weight: 150g (male), 135g (female)
  • Hilum: On Medial Border


What makes up the renal lobe?

Renal Lobe = Medullary Pyramid + Surrounding Cortex

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Identify the vascular supply:

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  1. Renal Artery
  2. Segmental Artery
  3. Lobar Artery
  4. Interlobar Artery
  5. Arcuate Artery
  6. Interlobular Artery


How much of the cardiac output is supplied to the kidneys?

Renal arteries: supply the kidneys with 20-25% of the cardiac output


Which artery branch from the renal vascular supply is the first to penetrate renal tissue?

D. Interlobar artery

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What is the location of the kidneys?

  • primarily retroperitoneal and adjacent to the posterior abdominal wall
  • located between vertebral levels T12-L3


Which kidney sits higher than the other?

left kidney sits a few centimeters higher than the right kidney (because of the liver)


Identify the levels of sympathetic innervation for the following:

  1. Kidney
  2. Ureter
  3. Urinary Bladder

  1. Kidney: T10 - L1
  2. Ureter: T11 - L2
  3. Urinary Bladder: T11 - L2 

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How does the urinary system receive parasympathetic innervation?

Mostly via:

  1. Vagus nerve
    • ​​kidney and ureter
  2. Pelvic splanchnic nerves
    • ​ureter and bladder

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Posterior Relations of the Kidneys:

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  • Green = Respiratory Diaphragm
  • Salmon = Transversus Abdominis Aponeurosis
  • Yellow = Quadratus Lumborum
  • Purple = Psoas Major

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What helps hold the kidneys in place as the body moves around (breathing, walking, adjusting posture)?

perirenal fat

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Blood supply of the ureter comes from ...

branches of arteries encountered along its course from kidney to urinary bladder