Renal Physiology

7/11/00


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Table of Contents

Renal Physiology

FUNCTIONS OF THE KIDNEY

THE URINARY SYSTEM

THE NEPHRON IS THE FUNCTIONAL UNIT OF THE KIDNEY

THREE BASIC RENAL PROCESSES

BASIC RENAL PROCESSES

Glomerular Filtration

Forces Involved in Glomerular Filtration

Tubular Reabsorption

Tubular Reabsorption

Tubular Reabsorption is a Function of the Epithelial Cells Making up the Tubule

Sodium Reabsorption

Rennin-Angiotensin-Aldosterone System

Rennin-Angiotensin-Aldosterone System

DIURETICS

Glucose and Amino Acids are reabsorbed by secondary active transport

GLUCOSE REABSORPTION HAS A TUBULAR MAXIMUM

Tubular Secretion

Potassium Secretion

DUAL CONTROL OF ALDOSTERONE SECRETION

Reabsorption in Proximal Tubule (Summary)

Secretion in Proximal Tubule (Summary)

Reabsorption in Distal Tubule (Summary)

Secretion in Distal Tubule (Summary)

Collecting Duct (Summary)

REGULATION OF URINE CONCENTRATION

Medullary countercurrent system

Descending limb

Ascending limb

COUNTERCURRENT MAKES THE OSMOTIC GRADIENT

THE OSMOTIC GRADIENT CONCENTRATES THE URINE WHEN VASOPRESSIN (ANTI DIURETIC HORMONE [ADH]) IS PRESENT

WHEN VASOPRESSIN (ANTI DIURETIC HORMONE [ADH]) IS ABSENT A DILUTE URINE IS PRODUCE

Renal Failure

THE URINARY BLADDER STORES THE URINE

Reflex and Voluntary Control of Micturition

Author: D. C. Mikulecky

Email: mikulecky@gems.vcu.edu

Home Page: http://views.vcu.edu/~mikuleck/

 

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