Loop Of Henle

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  • Created by: hrd666
  • Created on: 13-12-13 13:29

Loop Of Henle

  • Creates a salt concentration gradient in medulla
  • Descends into the medulla, ascends into cortex
  • Isotonic filtrate at the beginning
    • First part is short and fat
      • Impermeable to water and salts
  • Hypertonic in the middle

Descending limb

    • Thin descending limb is permeable to water
    • Not permeable to sodium and chloride ions

Ascending Limb

  • Ion channels allow Sodium and Chloride out by fascilitated diffusion
  • Thick part at the end has many mitochondria
      • Actively transports Sodium and Chlorine into Medulla
  • Hypotonic at the end
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