This file is from Wikimedia Commons and may be used by other projects.
The description on its file description page there is shown below.
Summary
DescriptionStandard sections of brain.jpg
English: Gross pathology of a brain after sectioning, showing a normal brain with the cerebrum cut in coronal sections, and the cerebellum, pons and medulla cut in horizontal sections. It shows partial formalin fixation (fixed tan superficial tissue and unfixed pink deeper tissue - unusually much for 12 days of fixation).
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.
http://creativecommons.org/publicdomain/zero/1.0/deed.enCC0Creative Commons Zero, Public Domain Dedicationfalsefalse
Captions
Gross pathology of a brain after sectioning, showing a normal brain with the cerebrum cut in coronal sections, and the cerebellum, pons and medulla cut in horizontal sections. Standard sections for microscopic examination are annotated.