What is the Difference between isosmotic and isotonic solution?

Answer 1

isotonic solution comprise non-penetrating solute and they are solution having the same osmotic pressure as the cell they surround. they are neither absorbed or do they absorb anything from the cell.

Iso-osmotic solutions are comprise penetrating and non-penetrating solutes .although they have the same osmotic pressure as the cell they surround ,they comprise penetrating solute ,which can enter the cell and increase the cell's osmotic pressure .increasing the cell's osmotic pressure,make the cell prone to absorb water from the medium in order to equalize the osmotic pressure on both sides,and this cause bursting of the cell.

Answer 2

Isotonic (as far as cell Biology goes) describes the solute concentration of the inside of a cell as compared to the environment outside the cell. When the concentration of solutes (ions, glucose, etc) inside equal the concentration on the outside, we call this isotonic.

This is in contrast to hypotonic where the concentration of solutes is greater on the INSIDE of the cell, and hypertonic where the ion concentration is greater OUTSIDE the cell.

Answer 3

An isotonic solution is one that has the same solute concentration as compared to another one; an isosmotic solution is one that has the same osmotic (water) pressure as compared to another one.

These two terms are very similar but they are not the same. Think of this situation: if a U-tube has two isotonic water and salt solutions, the solutions will be isosmotic to each other as well. However, if a piston applies pressure to one side of the tube, the solutions will still be isotonic but not isosmotic.

Answer 4

Both isotonic and isosmotic refer to the strength of the solution, for example, how much solute is dissolved in the solution. Isotonic refers to the ionic strength of a solution while isosmotic refers to the number of molecules of solutes in a biological solution, for example, sugar concentration.