This is a human brain iris neuron portrait
Dr. Jeff Lichtman, a professor of molecular and cellular biology at Harvard University, received a small brain sample in his lab 10 years ago
![](https://whatco.me/media/cache/resolve/entry_thumb/01/d5/01d5559fca92a3a0447ad4b17d5baa075a406628558e1953f70d333121f0216b.jpg)
Dr. Jeff Lichtman, a professor of molecular and cellular biology at Harvard University, received a small brain sample in his lab 10 years ago