2018, Number S1
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Acta Med 2018; 16 (S1)
The studies that led to the concepts of glomerular filtration and tubular resorption: from the 17th to the 20th century
Peña RJC
Language: Spanish
References: 26
Page: 7-15
PDF size: 323.15 Kb.
ABSTRACT
This first article on “The wisdom of the kidney” describes the history of the observations and investigations that established that the main function of the kidney was glomerular filtration, followed by tubular reabsorption. These studies began in the 17th century, when Marcello Malpighi, a brilliant anatomist, described the glomeruli and advanced a hypothesis of the function of these small corpuscles. Almost 200 years later, in the 19th century, William Bowman in England extended and enriched Malpighi’s observations, along with the studies of Carl Ludwig and Rudolf Heidenhain both in Germany. All these researchers postulated the great controversy: What was more important: the filtration-reabsorption hypothesis or the tubular secretion? It was not until the 20th century, in 1923, that the micropuncture studies of the glomeruli in frogs, performed by JA Wearn and AN Richards in Pennsylvania, solved the problem. These authors demonstrated that the glomerular fluid was an ultrafiltrate of the blood and the tubules reabsorbed part of this fluid to form the final urine. This transcendent contribution marked the birth of modern renal physiology.
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