Kidney Medulla


Kidney Medullas

Kidney Papilla

Kidney Papillas

Medulla, Kidney

Medullas, Kidney

Papilla, Kidney

Papillas, Kidney

The internal portion of the kidney, consisting of striated conical masses, the renal pyramids, whose bases are adjacent to the cortex and whose apices form prominent papillae projecting into the lumen of the minor calyces.