ADH - 2 O reabsorption ...... increase blood volume .....

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ADH: Antidiuretic Hormone ...Brain Peptide ...released in Posterior Hypothalamus ...Osm detectors in Hypothalamus above 300 mOsm, ADH released. Acts on Distal Tubules Increases H 2 O permeability ... increase H 2 O recovery ...decrease H 2 O loss Dilute blood, lower Osmolarity. JGA - Juxtaglomerular Apparatus ...cells around renal arteriole ... BP drop >> secrete Renin. Renin stimulates conversion of Angiotensinogen >> Angiotensin II in blood. Angiotensin II acts on: .. Arteriole Construction ...... close capillary beds .. Proximal Tubules ...... increase Na+, H
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Unformatted text preview: 2 O reabsorption ...... increase blood volume .. Adrenal Gland >> Aldosterone ...... Distal Tubules ......... increase N + , H 2 O reabsorption ......... increase blood volume BP rises. Atrial Natriuretic Factor (ANF) ..Peptide Hormone ...... released from heart atrial cells ...... BP increase >> release ANF ANF acts on: .. JGA ...... Inhibits release of Renin .. Collecting Duct ...... Inhibit Na+ reabsorption .. Adrenal Gland ...... Inhibits release of Aldosterone BP drops....
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ADH - 2 O reabsorption ...... increase blood volume .....

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