* Cations (e.g. sodium, potassium, calcium and magnesium) can passively move paracellulary into the [[Vasa Recta - Anatomy & Physiology | vasa recta]] | * Cations (e.g. sodium, potassium, calcium and magnesium) can passively move paracellulary into the [[Vasa Recta - Anatomy & Physiology | vasa recta]] |