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Encyclopedia > Duct of Bellini
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Position of the duct of Bellini in the kidney

The duct of Bellini is an anatomical structure of the kidneys, also known as papillary duct. The straight or collecting tubes commence in the radiate part of the renal cortex, where they receive the curved ends of the distal convoluted tubules. They unite at short intervals with one another, the resulting tubes presenting a considerable increase in caliber, so that a series of comparatively large tubes passes from the bases of the rays into the renal pyramids. In the medulla the tubes of each pyramid converge to join a central tube, the duct of Bellini, which finally opens on the summit of one of the papillae; the contents of the tube are therefore discharged into one of the renal calyces. Kidneys viewed from behind with spine removed The kidneys are bean-shaped excretory organs in vertebrates. ... Kidney nephron The distal convoluted tubule (DCT) is a portion of kidney nephron between the loop of Henle and the collecting duct system. ...


So named in honor of its discoverer, Italian anatomist Lorenzo Bellini (1643-1704). Drawing of kidney ducts by Lorenzo Bellini Lorenzo Bellini (1643-1704), Italian physician and anatomist, was born at Florence on the September 3rd, 1643. ...


Source

  • Gray's Anatomy of the Human Body (http://www.bartleby.com/107/253.html). Philadelphia, Lea & Febiger, 1918 (public domain)

  Results from FactBites:
 
Bellini duct carcinoma: a case report -- Natsume et al. 27 (2): 107 -- Japanese Journal of Clinical Oncology (1793 words)
Bellini duct tumor is an unusual variant of renal cell carcinoma which has received some attention in the recent literature.
The first report to indicate that the Bellini duct epithelium could give rise to tumors was that made by Mancilla-Jimenz (1), based on findings of atypical hyperplastic change in the collecting duct distant from a renal papillary tumor.
Abbreviations: BDC, Bellini duct carcinoma; SBA, soyabean agglutinin; PNA, peanut agglutinin; WGA, wheatgerm agglutinin; DBA, Dolichos biflorus agglutinin; CK, cytokeratin.
MerckMedicus : Dorland's Medical Dictionary (2622 words)
a duct in the lateral wall of the nasal cavity extending from the frontal sinus to the infundibulum of the ethmoid bone; called also nasofrontal d.
an embryonic duct that is initiated in association with rudiments of the pronephric kidney and later taken over as an excretory duct by the mesonephros, developing into the epididymis, the ductus deferens and its ampulla, the seminal vesicles, and the ejaculatory duct in the male and into vestigial structures in the female.
an embryonic duct that empties from the metanephros into the mesonephric duct and later develops into part of the ureter.
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