Lecture 13

Lecture 13 - Lecture 13: Renal Continued Physiological...

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Lecture 13: Renal Continued Physiological control systems operating through reflex arcs to regulat ECFV, ECV, and plasma osmolality o What is variable sensed? hypothalamic osmoreceptros are the sensors o Effective circulating volume: a measure of the adequacy of perfusion of organs and tissue; estimate of degree of fullness of the organ relative to its blood supply o plasma osmolality Renal Tumors, Constriction of renal blood flow, and hypertension o kidney is isolated and renal artery has a clamp placed on it. o renal vein is below renal artery o by adjusting clamp, can reduce rate of blood flow into kidneys and can effectively control the effective circulating volume in the kidney o as soon as blood flow into kidney is decreased renal arterial perfusion pressure falls—quickly—immediate occurs from early hours—0 ish if something is placed in renal vein, if we measure concentration or rate of release of Renin, there is an immediate increase in the amount of Renin circulating in plasma renin is enzyme: protein that can modify behavior of other proteins o just focus on early parts of graph: increase in. . decreases in. . Renin-angiostensin, aldosterone o comes form research of…. o
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This note was uploaded on 03/07/2012 for the course 830 201 taught by Professor Leyton during the Fall '08 term at Rutgers.

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Lecture 13 - Lecture 13: Renal Continued Physiological...

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