48 - Renal cortex and renal medulla - two distinct regions...

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Sheet1 Page 1 Renal cortex and renal medulla - two distinct regions within the kidney. (Figure 14-3, 14-1b). The renal cortex is an outer gran u Two types of nephrons can be distinguished in terms of their relationship with the renal cortex and renal medulla. (Figure 14-5 ) Cortical nephrons V (~80%) Glomeruli located in outer layer of renal cortex. Loop of Henle dips slightly into renal medulla. Juxtamedullary nephrons & (~20%) Glomeruli located in inner layer of renal cortex Loop of Henle dips deeply into renal medulla. Formation of urine ¶ 3 basic processes (Figure 14-6): Glomerular filtration & nondiscriminant filtration (except for red blood cells) of a protein-free plasma from the glomerulus into t h Tubular reabsorption - selective movement of filtered substances from the tubular lumen into the peritubular capillaries Tubular secrtetion - selective movement of nonfiltered substances from the peritubular capillaries into the tubular lumen
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48 - Renal cortex and renal medulla - two distinct regions...

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