File:800px-DRG Chicken e7.jpg

Dorsal root ganglion (DRG) from a chicken embryo (around day 7) after incubation overnight in NGF growth medium. The ganglion was marked with mouse anti-Neurofilament (1st) antibody and a Cy3-anti-mouse (2nd) antibody.

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Source: Mediawiki Commons http://commons.wikimedia.org/wiki/Image:DRG_Chicken_e7.jpg