H.J. Van Peenen, MD
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You can, with great patience and tiny tweezers magnified by the dissecting microscope, lift one away from its home.
There where it lies entangled, with a million brothers, a million sisters, twisted together like garter snakes in hibernation,
it busily works with the others, filtering, reabsorbing, conserving, to such effect that almost nothing taken from blood
is wasted: sugar, salt, amino acid, are lost and retrieved like the parable's sheep, and returned to the joy and welcome of
mammalian flesh. Only what can be spared is scattered to water and soil for the nourishment of others, those
small akaryotic brothers
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Van Peenen H. The Nephron. Ann Intern Med. 1991;115:654. doi: 10.7326/0003-4819-115-8-654
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Published: Ann Intern Med. 1991;115(8):654.
Copyright © 2017 American College of Physicians. All Rights Reserved.
Print ISSN: 0003-4819 | Online ISSN: 1539-3704
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