Hypertonic urine

The normal person's plasma permeability is 280-310mOsm / kg.H20, and the normal person's urine permeability / plasma permeability ratio is (3-4.5): 1. This indicator is also used to evaluate the kidney's concentrated dilution function. Urinary osmotic volume at 300mOsm / kg.H20 is called isotonic urine, higher than plasma osmotic volume indicates that urine has been concentrated, at this time it can be called hypertonic urine.

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