Kidney

• Kidney

  • Urine
  • Filter blood waste products
  • Transported by ureter tubes from kidney to bladder
  • Stores urine temporarily
  • Urethra tube transports urine from bladder to out
  • Urinary system:
  • 2 kidneys (back + top of abdomen)
  • 2 narrow muscular ureter tubes (for each kidney)
  • Urethra tube
  • Kidney gets oxygenated blood via renal artery and drains deoxygenated blood into renal vein

  Structure

  • Made of outer cortex, inner medulla and fibrous capsule
  • Medulla
  • 12 wedge-shaped structures (renal pyramids)
  • Each apex projects onto cavity (renal pelvis)
  • Narrows to become ureter