Osmoreceptors detect changes in the concentration of electrolytes in body fluids and can stimulate the hypothalamic thirst center.

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Osmoreceptors are specialized cells in the hypothalamus that detect changes in the concentration of electrolytes in the extracellular fluid. When the concentration of electrolytes, such as sodium, increases or decreases, osmoreceptors stimulate the hypothalamic thirst center, which prompts the body to drink water to restore electrolyte balance. This helps to regulate the osmolarity of body fluids and maintain homeostasis.

Osmoreceptors Detect Changes in the Concentration of Electrolytes in Body