It is composed of a renal corpuscle and a renal tubule. The most advanced nephrons occur in the adult kidneys or metanephros of land vertebrates such as reptiles birds and mammals.
Structure Of Kidney Nephron Structure And Function
Blood containing urea and metabolic waste products enters the kidney from the liver.
Anatomy of nephron in kidney. The functional unit of the kidney the nephron consists of the renal corpuscle pct loop of henle and dct. The blood is mechanically filtered to remove fluids wastes electrolytes acids and bases into the tubular system while leaving blood cells. The renal corpuscle consists of a tuft of capillaries called a glomerulus and an encompassing bowmans capsule.
Renal tubule function is to reabsorb and secrete substances in or out of the filtrate with the assistance of the peritubular capillaries. Cortical nephrons have short loops of henle whereas juxtamedullary nephrons have long loops of henle extending into the medulla. The renal tubule extends from the capsule.
Renal corpuscle function is to filter the blood and create filtrate. The walls of the nephron are made of a single layer of epithelial cells. The nephron from greek νεφρός nephros meaning kidney is the microscopic structural and functional unit of the kidney.
The nephrons found in the kidneys mesonephros of amphibians and most fish and in the late embryonic development of more advanced vertebrates are only slightly more advanced in structure. The nephron consists of the following parts. About 15 percent of nephrons are juxtamedullary.
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