nephron | Definition, Function, Structure, Diagram, & Facts
Nephron, functional unit of the kidney, the structure that actually produces urine in the process of removing waste and excess substances from the blood. There are about 1,000,000 nephrons in each human kidney. Learn more about the structure and function of nephrons in this article.
Urinary System Flashcards
Study Urinary System flashcards taken from chapter 26 of the book Fundamentals of Anatomy & Physiology.
First Aid Renal Physiology Part ll
Nephron Physiology source source Key Points: Early Proximal Tubule: reabsorb all glucose, amino acids and most of bicarbonate, sodium, chloride, phosphate and water. Generates and secretes ammonia. Thin descending loop of Henle: passive reabsorbs water. Think Ascending Loop of Henle: actively reabsorbs Na+, K+ and Cl-. Responsible for paracellular reabsorption of Mg2+ and Ca2+. Impermeable to H2O. Early Distal Convoluted Tubule: actively reabsorb Na_ and Cl-. Collecting Tubule: reabsorb Na…
Renal blood flow stock vector. Illustration of glomerulus - 12522874
Illustration about Diagram of blood flow through the kidney showing detail of kidney tubule (nephron). Illustration of glomerulus, distal, capsule - 12522874
The flow of blood in the kidneys begins with the renal artery. Eventually the blood is filtered through the glomerulus, where specific substances flow into the capsule. The afferent (approaching) arteriole is larger than the efferent (exiting) arteriole which helps maintain a high pressure in the glomerulus to increase GFR. Blood flows from efferent arterioles into either vasa recta (juxtamedullary nephron) or peritubular capillaries (cortical nephron). Blood leaves via the renal vein.
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