This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Renal pelves and calices. en Diagrams of casts of renal pelves and calices in the cow and seal after Hyrtl From Diseases of the kidneys ureters and bladder by Howard Atwood Kelly New York London org Diseases of the kidneys ureters and bladder Howard Atwood Kelly PDArt Kidneys Diseases of the kidneys ureters and bladder Uploaded