「Endocrinology/VasopressinADH/ControlToWaterIntake/basic」の版間の差分
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With the decrease in (the synthesis, secretion, and concentration in blood of)vasopressin (ADH), (water channel-decreasing effect is strengthened, and water channels are decreased. With the decrease in water channels, water reabsorption-decreasing effect is strengthened, and water absorption is decreased. With the decrease in water reaborption), plasma osmolarity-decreasing effect is strengthened.<br> | With the decrease in (the synthesis, secretion, and concentration in blood of)vasopressin (ADH), (water channel-decreasing effect is strengthened, and water channels are decreased. With the decrease in water channels, water reabsorption-decreasing effect is strengthened, and water absorption is decreased. With the decrease in water reaborption), plasma osmolarity-decreasing effect is strengthened.<br> | ||
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Because of this control, the decreased plasma osmolarity decreases (towards that before sweating). | |||
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2024年4月1日 (月) 10:56時点における版
| With water intake, the (red→blue) negative feedback decreases (the synthesis, secretion, and blood concentration of) vasopressin (anti-diuretic hormone, ADH). |
1st star (illustration): Subject sweated. With water intake, plasma osmolarity decreases.(Synthesis, secretion, and concentration in blood of )vasopressin (ADH) (increases water channels. Water channels decrease water reabsorption. Water reabsorption) decreases plasma osmolarity.
①(illustration): These are in the same direction (red).
②(illustration): Since these are in the same direction (red), negative feedback decreases (blue) (synthesis, secretion, and concentration in blood of vasopressin (ADH).
With the decrease in (the synthesis, secretion, and concentration in blood of)vasopressin (ADH), (water channel-decreasing effect is strengthened, and water channels are decreased. With the decrease in water channels, water reabsorption-decreasing effect is strengthened, and water absorption is decreased. With the decrease in water reaborption), plasma osmolarity-decreasing effect is strengthened.
Because of this control, the decreased plasma osmolarity decreases (towards that before sweating).
Challenge Quiz
Water intake increases decreases plasma osmolarity, and water reabsorption (through the water channels, which are increased by vasopressin, ADH) increases decreases plasma osmolarity. Since these effects are in the same opposite direction, negative feedback increases decreases (the synthesis, secretion, and blood concentration of) vasopressin (anti-diuretic hormone, ADH).