In an isotonic medium, what is the state of solute concentration inside and outside of the cell?

In an isotonic medium, the solute concentration inside the cell is equal to the solute concentration outside the cell. This balanced state means that there is no net movement of water across the cell membrane, as the osmotic pressure is the same on both sides. Consequently, the cell maintains its shape and function, as it neither swells nor shrinks. This condition is essential for the proper functioning of cells, particularly in maintaining homeostasis and optimal physiological conditions.