What are the stimuli that turn on and off the thirst center?

1 Answer
Mar 25, 2018
  • Hypertonicity: Cellular dehydration acts via an osmoreceptor mechanism in the hypothalamus
  • Hypovolaemia: Low volume is sensed via the low-pressure baroreceptors in the great veins and right atrium
  • Hypotension: The high-pressure baroreceptors in carotid sinus & aorta provide the sensors for this input
  • Angiotensin II: This is produced consequent to the release of renin by the kidney

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