The Kidney Flashcards

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0
Q

Describe the structure of the nephron

A
  • each nephron starts in the cortex, in the cortex the capillaries form a knot called the glomerulus, this is surrounded by the bowman’s capsule
  • fluid from the blood is pushed into the capsule by ultrafiltration
  • the fluid leaves the capsule and flows through the nephron starting with the proximal convoluted tubule and then into the medulla for the loop of Henle which is a hairpin counter current multiplier
  • here the composition of the fluid is altered by selective reabsorption
  • substances are reabsorbed back into the tissue fluid and capillaries surrounding the nephron tubule
  • the fluid then passes into the distal convoluted tubule and then into the collecting duct as urine

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1
Q

Describe the structure of the kidney

A
  • each kidney is supplied with blood from a renal artery and is drained by a renal vein
  • urine passes out of the kidney down the ureter to the bladder where it can be stored before release
  • the outer region of a longitudinal section of a kidney is called the cortex
  • the inner region is called the medulla
  • in the centre is the pelvis which leads into the ureter

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