BIOL 030 Lecture Notes - Lecture 29: Renal Pyramids, Renal Cortex, Renal Medulla

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Waste: any substance that is useless to the body or present in excess of the body"s needs. Metabolic waste: waste substance produced by the body. Uric acid: product of nucleic acid catabolism. ~ size of a bar of soap. Hilum: slit that receives renal nerves, blood vessels, lymphatics, and ureter. Cavity that contains blood and lymphatic vessels, nerves, and urine- collecting structures. Extensions of cortex that project inward toward sinus. Broad base facing cortex and renal papilla facing sinus. Lobe of kidney: one pyramid and its overlying cortex. Minor calyx: cup that nestles the papilla of each pyramid; collects its urine. Major calyces: convergence of 2-3 minor calyces. Renal pelvis: convergence of 2-3 major calyces.

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