Major calyx

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The major calyx surrounds the apex of the the malpighian pyramids. Urine formed in the kidney passes through a papilla at the apex into a minor calyx then into major calyx before passing through the renal pelvis into the ureter.

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

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  Vertical section of kidney.
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• Template:SUNYAnatomyLabs – “Posterior Abdominal Wall: Internal Structure of a Kidney”
• Histology image: 15901loa – Histology Learning System at Boston University – “Urinary System: neonatal kidney”
• Template:NormanAnatomy (Template:NormanAnatomyFig)
• Diagram at bway.net

Template:Kidney

Template:WikiDoc Sources