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8 Cards in this Set
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- Back
- 3rd side (hint)
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Aldosterone
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Increases Na+ reabsorption in Principal cells
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Angiotensin II
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(1) Efferent and systemic vasoconstriction
(2) Increases H20 reabsorption |
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Urodilitin
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Inhibits CD medullary NaCl and H2O reabsorption
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Secreted by DT and CD More potent than ANP |
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ANP
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Atrial natriuretic peptide
Inhibits medullary NaCl reab Inhibits ADH-med H2O reab Red Post-Pit ADH secretion |
Activates guanylyl cyclase, increasing cGMP |
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Uroguanylin and
Guanylin actions |
Oral NaCl stimulates intestinal neuroendocrine cells
Inhibits renal H2O/NaCl reabs |
Activates guanylylcyclase, increasing cGMP |
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Dopamine actions
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Secretion stimulated by increased ECF
Reduces PT H2O and NaCl reab |
From dopaminergic neurons and PT cells |
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Adrenomedullin
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Stimulated by HTN and CHF
Increases GFR and RBF Stimulating NaCl/H2O excretion |
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ADH
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Increases CD permability to H2O
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Secreted by post-pituitary when osm increases >1% or ECF decreases > 5-10% |
