from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of the numerous filtering units of the vertebrate kidney that remove waste matter from the blood.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. The basic structural and functional unit of the kidney, which filters the blood in order to regulate chemical concentrations, and thereby produces urine.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of the small tubules that are the excretory units of the vertebrate kidney
This is known as nephron-sparing surgery, or partial nephrectomy, and is commonly performed using traditional open surgery.
The nephron is the fundamental unit of the kidney, the parenchyma; it has three significant and distinct roles: filtration, reabsorption and secretion.
- The nephron is a lipid membrane and in an the emergency department for the diagnosis of an alkaline environment more salicylate is intoxicated patient.
The “particles,” I explained, were the protein in her urine, which had been allowed to flow through her damaged glomeruli, the little filtration units in every nephron of the kidney.
Storage in the kidneys is associated primarily with the cells of the nephron (the functional unit for urine formation).
A considerable amount of the blood plasma filters through the glomerulus into the nephron tubule.
In some cases, large molecules (including some that are protein-bound) may be secreted (by passive transfer) from the blood across capillary endothelial cells and nephron tubule membranes to enter the urine.
Secretion, which occurs in the proximal tubule section of the nephron, is responsible for the transport of certain molecules out of the blood and into the urine.
The nephron has three primary regions that function in the renal excretion process, the glomerulus, proximal tubule, and the distal tubule.
Filtration, the first process, takes place in the glomerulus, the very vascular beginning of the nephron.
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