Minor calyx

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Minor calyx
Kidney PioM.png
Illu kidney2.jpg
Frontal section through the kidney
Latincalices renales minores
Gray'sp.1225
PrecursorUreteric bud
MeSHKidney+calices
 
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Minor calyx
Kidney PioM.png
Illu kidney2.jpg
Frontal section through the kidney
Latincalices renales minores
Gray'sp.1225
PrecursorUreteric bud
MeSHKidney+calices

The minor calyx, in the kidney, surrounds the apex of the renal pyramids. Urine formed in the kidney passes through a papilla at the apex into the minor calyx then into the major calyx.

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.

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