|
Medical Definition of Water-electrolyte balance
1. The state of the body in relation to the intake and excretion of water and electrolytes, particularly sodium and potassium. It exists in a metabolic balance internally with body fluid compartments, total body water, blood volume, extracellular space, etc., externally through sensible and insensible sweating. The hypothalamus controls water balance. (12 Dec 1998)