calcium ; sodium
potassium
Sodium ion is the most concentrated ion in the extracellular fluid.
The Chief Extracellular cation is sodium.
Sodium is the primary cation for ECF, potassium is the primary cation for ICF.
Sodium
The most abundant positive ion or cation in the extracellular fluid is sodium (Na+). Chloride (Cl-) is the most abundant negative ion or anion.
Major Intracellular cation - K+ (Potassium) Major Extracellular cation - Na+ (Sodium) Major Intracellular anion - PO4+ (Phosphate) Major Extracellular anion - Cl- (Chloride)
Sodium
Sodium
interstitial fluid
The acronym ECF stands for extracellular fluid. Extracellular fluid is the fluid outside of the cell in the human body.
Calcium