Renal and Urinary Tract Function

<jats:title>Abstract</jats:title><jats:p>The sections in this article are:</jats:p><jats:sec><jats:title>Age‐Related Changes in Kidney Function</jats:title><jats:sec><jats:title>Cross‐Sectional Studies</jats:title></jats:sec><jats:sec><jats:title>Modification of View of Inevitable Change from Results of Longitudinal Studies</jats:title></jats:sec><jats:sec><jats:title>Age‐Related Proteinuria and Glomerular Lesions in Rodents</jats:title></jats:sec><jats:sec><jats:title>Pathophysiology of the Decrease in Renal Function with Age</jats:title></jats:sec></jats:sec><jats:sec><jats:title>Age‐Related Changes in Renal Control of Fluid and Electrolyte Homeostasis</jats:title><jats:sec><jats:title>Control of Sodium Balance</jats:title></jats:sec><jats:sec><jats:title>Control of Potassium Balance</jats:title></jats:sec><jats:sec><jats:title>Control of Water Balance and Susceptibility of Older Individuals to Dehydration (Hypernatremia)</jats:title></jats:sec><jats:sec><jats:title>Susceptibility of Older Individuals to the Development of Hyponatremia</jats:title></jats:sec></jats:sec><jats:sec><jats:title>Aging and Kidney Disease</jats:title><jats:sec><jats:title>Acute Renal Failure</jats:title></jats:sec><jats:sec><jats:title>Glomerular Disease (Nephrotic Syndrome)</jats:title></jats:sec><jats:sec><jats:title>Chronic Renal Failure</jats:title></jats:sec><jats:sec><jats:title>Urinary Tract Infections</jats:title></jats:sec></jats:sec><jats:sec><jats:title>Lower Urinary Tract Dysfunction with Aging</jats:title><jats:sec><jats:title>Anatomy and Physiology of the Lower Urinary Tract</jats:title></jats:sec><jats:sec><jats:title>Effect of Age on Lower Urinary Tract</jats:title></jats:sec><jats:sec><jats:title>Transient Incontinence</jats:title></jats:sec><jats:sec><jats:title>Established Incontinence</jats:title></jats:sec><jats:sec><jats:title>Pathophysiology of Voiding Dysfunction in Benign Prostatic Hyperplasia</jats:title></jats:sec><jats:sec><jats:title>Other Diseases of the Lower Urinary Tract</jats:title></jats:sec></jats:sec>