Isotonic
Isotonic refers to a solution that has the same osmotic pressure as another solution with which it is compared. In the context of biology, an isotonic solution is one that has the same concentration of solutes as the cytoplasm of a cell. This balance of solute concentration is crucial for the proper functioning of the body's cells.
Definition[edit | edit source]
The term "isotonic" is derived from the Greek words "iso-", meaning equal, and "tonos", meaning tension. In the field of physiology, isotonicity is the condition where a solution's osmotic pressure is equal to that of another solution. This is particularly important in the context of cellular biology, where the balance of solutes in a cell's cytoplasm and its surrounding environment is crucial for the cell's survival and function.
Isotonic Solutions in Biology[edit | edit source]
In biology, an isotonic solution refers to a solution that has the same concentration of solutes as the cytoplasm of a cell. When a cell is in an isotonic solution, there is no net movement of water into or out of the cell. This is because the concentration of water is the same inside and outside the cell, leading to a state of equilibrium. This state is crucial for the proper functioning of cells, as drastic changes in water concentration can lead to cell damage or death.
Isotonic Solutions in Medicine[edit | edit source]
In medicine, isotonic solutions are often used for intravenous hydration. These solutions have the same osmotic pressure as human blood, which allows them to be safely introduced into the bloodstream without causing damage to blood cells. Common examples of isotonic solutions used in medicine include normal saline (0.9% sodium chloride) and lactated Ringer's solution.
Isotonic Exercise[edit | edit source]
Isotonic exercise is a type of strength training in which the muscle length changes while the contraction is performed under a constant load. This type of exercise is beneficial for improving muscle strength, endurance, and flexibility. Examples of isotonic exercises include weight lifting, push-ups, and squats.
See Also[edit | edit source]
References[edit | edit source]
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