GIF animation of an MRI scan of broccoli; via Colossal, who has more scans posted.
Destino; Salvador Dali & Walt Disney, begun in 1945, released in 2003.
“Winsor McCay ~ The Famous Cartoonist of the N.Y. Herald And His Moving Comics”
“Little Nemo” – 1911
One of the earliest examples of animation in film.
Loom: The Story of a Successful Catch (by Polynoid)