When Does Osmotic Thirst Occur Quizlet?

Osmotic thirst occurs when certain neurons in the detect an imbalance between the solutes (including sodium) on the outside of the cells instead of inside. The resulting osmotic pressure draws water from the cells into the extracellular fluid.

What is the cause of osmotic thirst?

Osmometric thirst occurs when the interstitial fluid becomes hypertonic, drawing water out of cells. This event, which can be caused by evaporation of water from the body or by ingestion of a salty meal, is detected by osmorecpetors in the region of the anteroventral third ventricle (the AV3V).

What is the stimulus for osmotic thirst quizlet?

An increase in the osmotic pressure of the blood draws water out of the cells, causing osmotic thirst.