Nephron Water Balance Explorer
Adjust hydration and watch the kidney fine-tune water reabsorption via ADH
Hormone Levels
ADH (vasopressin) Normal
Aldosterone Normal
Osmoregulation Data
295
mOsm/L
98%
Water reabsorbed
60
mL/hr
Straw
Urine colour
Nephron
Glomerulus Proximal tubule Loop of Henle Collecting duct Blood (high pressure) Urine to bladder
Urine Output
Straw-coloured
Moderate volume
Hormone Comparison
ADH controls collecting duct water permeability.

Aldosterone controls distal tubule Na⁺ reabsorption — water follows by osmosis.
At normal hydration, ADH is moderate — the collecting duct allows some water reabsorption, producing straw-coloured urine of moderate volume.
Hydration status Normal