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Structure and function of the kidney 

Structure and function of the kidney
Structure and function of the kidney

A.O. Phillips

and Steve Riley



Kidney and mineral bone disease—additional information on the role of the kidney in the homeostatic process of calcium metabolism and the recognition of FGF-23 as a contributor to this feedback mechanism.

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date: 24 September 2021

The kidney is responsible for control of water, electrolyte (particularly sodium and potassium), and acid–base balance and for excretion of metabolic wastes, and it has important functions as an endocrine organ, including key roles in renin, vitamin D, and erythropoietin production or metabolism.

The nephron—beginning at the glomerulus, the functional unit of the kidney is the nephron, through which glomerular filtrate passes to be finally excreted as urine. The nephron is divided into anatomically and functionally distinct sections that work together to maintain homeostasis....

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