We describe a protocol for in vivo labeling of olfactory sensory neurons by electroporation and subsequent confocal laser-scanning or multiphoton microscopy to visualize neuronal morphology and its development over time.
Hassenklöver, T., Manzini, I. The Olfactory System as a Model to Study Axonal Growth Patterns and Morphology In Vivo. J. Vis. Exp. (92), e52143, doi:10.3791/52143 (2014).