View source for File:PP Nerves of the left upper extremity.jpg

== Summary ==
Sourve: Henry Gray (1918) Anatomy of the Human Body
This image is in the public domain because it is a mere mechanical scan or photocopy of a public domain original, or – from the available evidence – is so similar to such a scan or photocopy that no copyright protection can be expected to arise. The original itself is in public domain for the following reason:
Public domain	This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 100 years or less.
This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1923.