A translational fusion of Punc - 7S in the GFP expression vector pPD95.67 (provided by A Fire) was injected at a concentration of 50 ng / μl and found to express in various head neurons but not in ventral nerve cord motor neurons. (neuraldevelopment.biomedcentral.com)
Bottom: Magnification of ventral nerve cord of Chengjiangocaris kunmingensis. (sciencedaily.com)