MRCS Review – Anatomy Q2

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The ureter lies anterior to L2 to L5 and stones may be visualised at these points, they may also be identified over the sacro-iliac joints.

Ureter

  • 25-35 cm long
  • Muscular tube lined by transitional epithelium
  • Surrounded by thick muscular coat. Becomes 3 muscular layers as it crosses the bony pelvis
  • Retroperitoneal structure overlying transverse processes L2-L5
  • Lies anterior to bifurcation of iliac vessels
  • Blood supply is segmental; renal artery, aortic branches, gonadal branches, common iliac and internal iliac
  • Lies beneath the uterine artery

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