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nite_n_day nite_n_day
wrote...
Posts: 4086
9 years ago
Describe the stimuli that produce osmometric thirst and cite evidence indicating the location of osmoreceptors in the brain.
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3 Replies
Would you know my name, if I saw you in heaven?

Eric Clapton

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Replies
wrote...
Valued Member
9 years ago
Cells must maintain a constant volume within the cell. Changes in solute concentration
outside the cell will produce movements of water through the cell membrane. A decrease in solutes outside the cell will result in water moving into the cell, whereas an increase in solutes will draw water from the cell and lead to cell shrinkage. The latter would obtain if water is lost through evaporation or if the organism consumes a salty meal. Osmoreceptors are located in the lamina terminalis (contain the OVLT and the SFO). Scans of human brain show activation of OVLT tissue during a thirst state induced by intravenous infusions of hypertonic saline.
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nite_n_day Author
wrote...
9 years ago
Perfect!

Thanks for the assistance. Your answer was correct.
Would you know my name, if I saw you in heaven?

Eric Clapton
wrote...
Valued Member
9 years ago
My pleasure. May the force be with you Face with Stuck-out Tongue
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