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Renal calyx

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Title: Renal calyx  
Author: World Heritage Encyclopedia
Language: English
Subject: Renal pelvis, External sphincter muscle of female urethra, Ureteropelvic junction, Medullary ray (anatomy), Orifice of ureter
Collection: Kidney Anatomy
Publisher: World Heritage Encyclopedia
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Renal calyx

Renal calyx
Kidney, with major and minor calyces labeled near bottom.
Details
Latin calices renales
Precursor Ureteric bud
Identifiers
MeSH A05.810.453.537.503
Dorlands
/Elsevier
c_03/12206023
Anatomical terminology

The renal calyces are chambers of the kidney through which urine passes. The minor calyces surround the apex of the renal pyramids. Urine formed in the kidney passes through a renal papilla at the apex into the minor calyx; two or three minor calyces converge to form a major calyx, through which urine passes before continuing through the renal pelvis into the ureter.

Contents

  • Function 1
  • Clinical significance 2
  • See also 3
  • References 4
  • External links 5

Function

Peristalsis of the smooth muscle originating in pace-maker cells originating in the walls of the calyces propels urine through the renal pelvis and ureters to the bladder.

Clinical significance

Example of a "staghorn" kidney stone projecting into the renal calyces

A "Staghorn calculi" is a kidney stone that may extend into the renal calyces.

A renal diverticulum is diverticulum of renal calyces.[1][2]

See also

References

  1. ^ Krzeski, T; Witeska, A; Borówka, A; Pypno, W (September 1981). "Diverticula of renal calyces". International Urology and Nephrology 13 (3): 231–235.  
  2. ^ Chong, TW; Bui, MH; Fuchs, GJ (Nov 2000). "Calyceal diverticula. Ureteroscopic management.". The Urologic clinics of North America 27 (4): 647–54.  

External links

  • Anatomy photo:40:06-0108 at the SUNY Downstate Medical Center - "Posterior Abdominal Wall: Internal Structure of a Kidney"
  • Anatomy photo:40:06-0109 at the SUNY Downstate Medical Center - "Posterior Abdominal Wall: Internal Structure of a Kidney"
  • Histology image: 15901loa – Histology Learning System at Boston University - "Urinary System: neonatal kidney"
  • posteriorabdomen at The Anatomy Lesson by Wesley Norman (Georgetown University) (renalpelvis)
  • Diagram at bway.net


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