1988 Photomicrography Competition
![Small World](/images/SW50-logo.png)
![](https://www.nikonsmallworld.com/images/photos/1988/_photo800/1988_17.jpg)
17th Place
Crystalline formation from central nervous system excitory neurotransmitter acetylcholine
Dr. Dennis D. Kunkel
- Affiliation
- University of Washington
Department of Neurological Surgery
Seattle, Washington, USA
- Technique
- Polarized Light
- Magnifaction
- 40