Physiology 2130 Lecture Notes - Lecture 11: Distal Convoluted Tubule, Proximal Tubule, Renal Function
2 Mar 2016
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The renal system includes = kidneys, ureters, bladder, and urethra. Regulation of water balance, electrolyte levels, ph of the blood, and the long-term regulation of arterial pressure. Remove nonessential substances from plasma: waste metabolites, excess water, electrolytes, drugs, food additives, vitamins. Recover essential substance from plasma: glucose. Kidneys do not produce water or electrolytes, kidneys only conserve them by reducing the amount removed from the body. Kidneys act as an endocrine gland hormones/hormone components production. Outer renal cortex middle renal medulla inner calyces central renal pelvis ureter. Nephrons = functional unit of the kidneys [over 1 million nephrons in each kidney] Located within the renal pyramids: drains through a collecting duct into a calyx. Blood supply of the kidneys: renal artery interlobar arteries arcuate arteries interlobular arteries nephron . Interlobular vein arcuate vein interlobar vein renal vein. Each nephron is composed of a highly coiled hollow tube surrounded by a complex blood supply.
