✓ The counter current mechanism and ADH(vasopressin)
What is the countercurrent mechanism?
✓ Maintains the osmotic gradient of the medullary interstitium.
How does the countercurrent mechanism work?
✓ Reabsorbs water to the blood in the DLH and reabsorbs Na+ into the
medulla in the ALH
What is NOT actively reabsorbed in the tubules?
✓ Urea in the PCT & ALH
What is NOT passively reabsorbed in the tubules?
✓ Amino acids in the PCT
What is tubular secretion?
✓ The movement substances from the blood to the ultrafiltrate
What is tubular absorption?
Master01 | October, 2024/2025 | Latest update
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