Outer medulla of kidney

Definition

The renal outer medulla is the region of the kidney that lies between the renal cortex and the renal inner medulla[GO].

Also known as outer renal medulla, outer zone of medulla of kidney, outer zone of renal medulla, renal outer medulla, zona externa (medullaris renalis), zona externa medullae renalis — per UBERON

The Outer medulla of kidney is a part of the Urinary.