3 Biology The state of a solution in respect of osmotic pressure: the tonicity of the fluid
More example sentences
- It is because the solution has the same tonicity as blood.
- As the electrolytes shift out of the cells, fluid shifts into the cells so that the tonicity matches that of the extracellular space.
- Antidiuretic hormone, which is secreted in response to stimuli such as changes in blood volume, tonicity, and blood pressure, is the primary regulator of body water.
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