Allen Brain Atlas
http://human.brain-map.org/mri_viewers/data
http://www.youtube.com/user/AllenInstitute
BrainMaps.org
UC Regents Davis campus
http://brainmaps.org/index.php?p=speciesdata&species=homo-sapiens
Interactive digital atlas of brain structures
http://vertex.biostr.washington.edu/cgi-bin/DA/imageform
The Human Brain Atlas
Michigan State University
https://msu.edu/~brains/brains/human/index.html
more atlases:
http://braininfo.rprc.washington.edu/OtherAtlases.aspx
https://www.tk.de/rochelexikon/pics/s13048.000-3.html
used by: https://en.wikipedia.org/wiki/Interventricular_foramina_(neuroanatomy)