renal medulla
type: Concept
broader: kidneys

nephrons
type: Concept
broader: kidneys

renal pelvis
type: Concept
broader: kidneys

concepts
type: Collection
type: ConceptGroup
member: kidneys

kidneys
type: Concept
narrower: renal pelvis
narrower: renal medulla
narrower: renal cortex
narrower: nephrons
broader: urinary tract

renal cortex
type: Concept
broader: kidneys

urinary tract
type: Concept
narrower: kidneys