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To test the hypothesis that the inhibitory action of central blood volume expansion on thirst and renal fluid regulation is attenuated with aging, we monitored the drinking and renal responses of dehydrated older (70 +/- 2 yr, n = 6) and younger (24 +/- 1 yr, n = 6) subjects during 195 min of head-out water immersion...
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www.medscape.com/medline/abstract/9039003
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2) hypovolemia and extracellular dehydration, including the role of circulating angiotensin (ANG) II as a dipsogenic hormone and the afferent neural inflow that also provides stimuli to the thirst mechanism;
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www.physiologyonline.org/cgi/content/full/19/1/1
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The Process of Thirst: A Systems Theory Overview ; ... When people think of thirst, we often think of it in a very mechanistic fashion. I.e., when our body needs fluids, something sends this message to our brain and we become thirsty, thus causing us to want to drink something.
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songweaver.com/info/thirst.html
songweaver.com/info/thirst.html
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By unraveling the complexity of the thirst mechanism, scientists are developing better treatments for people who lose their sense of thirst and are gaining greater knowledge about many other basic human behaviors.
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www.sfn.org/index.cfm?pagename=brainBriefings_thirst
www.sfn.org/index.cfm?pagename=brainBriefings_thirst
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The thirst mechanism in animals is a complex interaction of control centers in the brain and hypothalamus; though the details of that mechanism go well beyond the scope of this SparkNote, it is important to know that the thirst mechanism is linked to water loss.
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www.sparknotes.com/health/minerals/major/section1.html
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Unfortunately, by the time this thirst mechanism kicks in, we are already in the beginning stages of water deficit. That's why nutritionists recommend drinking before you are thirsty. This is particularly important for the elderly population because as we age we become less sensitive to our thirst mechanism.
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www.everythingatkins.net/water.html
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I. The role of the salivary glands in the thirst mechanism. II. The influences of atropine and pilocarpine on thirst (voluntary ingestion of water) ... ... Notes: Bibliography: p. 227, 41. Thesis (Ph. D.)--Universtiy of Chicago, 1931. "Private edition, distributed by the University of Chicago libraries, Chicago,
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openlibrary.org/b/OL6772268M
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We were therefore able to compare the effectiveness of sodium concentration control in the same dogs with and without feedback control of the ADH-thirst mechanism, the difference in effectiveness being a quantitative measure of the control capability of the system.
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ajpregu.physiology.org/cgi/content/short/232/5/R145
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The purpose was to determine whether extracellular volume or osmolality was the major contributing factor for reduction of thirst in air and head-out water immersion in hypohydrated subjects.
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ajpregu.physiology.org/cgi/content/short/268/3/R583
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