convoluted tubule

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con′voluted tu′bule

the portion of a kidney nephron that concentrates urine and maintains salt and water balance.
References in periodicals archive ?
From each sample, 5 sections, 3 fields view from each slide for analyzing diameter of glomerulus, distal and proximal convoluted tubule and glomerulus number using an Olympus BX-51T-32E01 research microscope connected to a DP12 Camera with 3.
Renal cell carcinoma (RCC) is a type of kidney cancer that originates in the lining of the proximal convoluted tubule, a part of the very small tubes in the kidney that transport waste molecules from the blood to the urine.
A sufficient supply of native vitamin D (25(OH) D) in the form of ergocalciferol (vitamin D2) or cholecalciferol (vitamin D3) is required for its synthesis in the kidney's proximal convoluted tubule (1-3).
However, animals treated with sRAGE before each hypoxia circle seldom displayed extensive features of tubule epithelial swelling and narrowed tubular lumens, without significant changes in distal convoluted tubule (Figure 1(a)).
Gitelman's syndrome (GS) is an autosomal recessive inherited defect in the thiazide-sensitive sodium-chloride cotransporter (NCCT) in the distal convoluted tubule.
There is cystic dilatation of nephrons involving all segments from the proximal convoluted tubule to collecting duct due to epithelial hyperplasia leading to redundancy and predisposing to cyst formation.
After uric acid is filtered by the glomerulus, almost all of it is reabsorbed in the proximal convoluted tubule.
Immunohistochemically, they are also positive for markers of proximal convoluted tubule (PCT) (CD10, carbonic anhydrase IX, vimentin, AMACR) as well as distal tubule/collecting duct (CK7, CK19, parvalbumin, BerEp4).
The researchers microdissected adult rat kidneys into segments from the glomeruli, proximal convoluted tubule (S1/PCT), proximal straight tubule (S2, S3), medullary thick ascending limb of Henle's loop and the collecting duct.
size of renal corpuscle, micron, size of renal glomerulus, micron, diameter of proximal convoluted tubule, micron, diameter of opening of proximal convoluted tubule, micron, size of epithelial of renal tubules, micron2 and size of their nuclears, micron (2).
It is eliminated by glomerular filtration, but a fraction is reabsorbed in the proximal convoluted tubule.
This region of the epididymal ducts is equivalent to the proximal convoluted tubule of the nephron (Fig.