
20.7: Renal Function and Chronic Kidney Disease
For patients with more severe or end-stage kidney disease, dialysis, or the use of a dialyzer machine to filter the blood and remove toxins when kidney function is decreased, is often …
33.1: Introduction to the Renal System - Medicine LibreTexts
This page provides a comprehensive overview of the renal system, detailing the anatomy and functions of the kidneys, including filtration, reabsorption, and secretion. It explains glomerular …
25.4D: The Role of the Kidneys in Acid-Base Balance
The kidneys help maintain the acid–base balance by excreting hydrogen ions into the urine and reabsorbing bicarbonate from the urine.
24.2B: Internal Anatomy of the Kidneys - Medicine LibreTexts
The Bowman’s or renal capsule, located at one end of each nephron in the cortex of the kidney, is the blood-filtering region of the nephron. The renal pelvis contains a hilium —the concave site …
24.1A: Overview of the Urinary System - Medicine LibreTexts
Kidneys and Nephrons Kidneys are the most complex and critical part of the urinary system. The primary function of the kidneys is to maintain a stable internal environment (homeostasis) for …
24.3E: Tubular Secretion - Medicine LibreTexts
Tubular secretion is the transfer of materials from peritubular capillaries to the renal tubular lumen and occurs mainly by active transport and passive diffusion.
11: Renal Physiology - Medicine LibreTexts
This page discusses kidney anatomy and physiology, detailing external and internal structures, blood supply, nephron function, renal innervation, filtration, electrolyte regulation, nitrogenous …
11.9: Endocrine and Paracrine Regulation of Kidney Function
Specific hormones and paracrine agents help regulate renal function, blood pressure, and electrolyte balance. Renin–Angiotensin–Aldosterone Mechanism is a complex system that …
24.2C: Supply of Blood and Nerves to the Kidneys
Key Terms renal artery: These arise off the side of the abdominal aorta, immediately below the superior mesenteric artery, and supply the kidneys with blood. renal vein: The veins that drain …
1.22: Renal Function - Medicine LibreTexts
To monitor a patient with impaired function, the most useful serial serum determination would be: creatine creatinine BUN Uric acid Total nonprotein nitrogen The end product of protein …