「Endocrinology/VasopressinADH/ControlToWaterIntake/basic」の版間の差分
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[[ファイル:WaterIntakeBeforeBasicFeedbackToADH-Eng.jpg|left|500px]] | [[ファイル:WaterIntakeBeforeBasicFeedbackToADH-Eng.jpg|left|500px]] | ||
① Water intake decreases plasma osmolarity (diluted, hypotonic), and reabsorption (through the water channels, which are increased by vasopressin, ADH) decreases plasma osmolarity. These effects are in the <font color="#ff0000">same direction (red)</font>. | ① Water intake decreases plasma osmolarity (diluted, hypotonic), and water reabsorption (through the water channels, which are increased by vasopressin, ADH) decreases plasma osmolarity. These effects are in the <font color="#ff0000">same direction (red)</font>. | ||
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[[ファイル:WaterIntakeDuringBasicFeedbackToADH-Eng.jpg|left|500px]] | [[ファイル:WaterIntakeDuringBasicFeedbackToADH-Eng.jpg|left|500px]] | ||
② Since these effects are in the <font color="#ff0000">same direction (red)</font>, negative feedback <font color="#00f">decreases (blue)</font> (the synthesis, secretion, and blood concentration of) vasopressin (anti-diuretic hormone, ADH). This decreases the number of water channels and the reabsorption | ② Since these effects are in the <font color="#ff0000">same direction (red)</font>, negative feedback <font color="#00f">decreases (blue)</font> (the synthesis, secretion, and blood concentration of) vasopressin (anti-diuretic hormone, ADH). This decreases the number of water channels and the water reabsorption. The plasma osmolarity-decreasing effect of the water reabsorption becomes weaker. This will lead to a reverse in the decreased plasma osmolarity (diluted, hypotonic) produced by water intake, increasing it towards normal (baseline, isotonic) osmolarity. | ||
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Water intake {~increases~=decreases} plasma osmolarity, and 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). | 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). | ||
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2020年3月17日 (火) 14:41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). |
① Water intake decreases plasma osmolarity (diluted, hypotonic), and water reabsorption (through the water channels, which are increased by vasopressin, ADH) decreases plasma osmolarity. These effects are in the same direction (red).
② Since these effects are in the same direction (red), negative feedback decreases (blue) (the synthesis, secretion, and blood concentration of) vasopressin (anti-diuretic hormone, ADH). This decreases the number of water channels and the water reabsorption. The plasma osmolarity-decreasing effect of the water reabsorption becomes weaker. This will lead to a reverse in the decreased plasma osmolarity (diluted, hypotonic) produced by water intake, increasing it towards normal (baseline, isotonic) osmolarity.
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).