Scientists have identified no less than 16 distinct types of nerve cells in the human dorsal root ganglion (DRG), significantly expanding our understanding of how the human nervous system operates.

Elsevier. "First Model Motor Nerve System That's Insulated And Organized Like Human Body." ScienceDaily. ScienceDaily, 22 July 2009. <www.sciencedaily.com / releases / 2009 / 07 / 090721091835.htm>.

"Fly Brains Provide New Insights Into The Growth And Development Of Human Nerve Cells." ScienceDaily. ScienceDaily, 2 April 2002. <www.sciencedaily.com / releases / 2002 / 03 / 020329072436.htm>.

“The vagus nerve is a principal super highway transmitting information in both directions between the brain and body; it can turn on and off our immune system,” said Dr. Tracey, president and ...