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Calyces

Branches of renal pelvis to renal papillae

Hilum of Kidney

Medial depression for blood vessels and ureter to enter kidney chamber

Nephron

Functional unit of kidney; Chief function is to regulate the concentration of water and soluble substances like sodium salts by filtering the blood, reabsorbing what is needed and excreting the rest as urine.

Renal Column

Located between renal pyramids; anchors renal cortex

Renal Cortex

Shell around the renal medulla

Renal papilla

Location where the medullary pyramids empty urine into the minor calyx.

Renal pelvis

Superior funnel-shaped end of ureter inside the renal sinus; a funnel for urine flowing to the ureter.

Renal sinus

Hollow chamber within the kidney; occupied by the renal pelvis, renal calyces, blood vessels, nerves and fat.

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