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Olfactory nerve transection as a model injury to induce neuronal damage in the olfactory system of larval Xenopus laevis. Schematic depiction of a tadpole with a close up of its olfactory system. Bipolar olfactory receptor neurons (magenta) of the MOE extend their axons via the ON into the OB. Fine scissors can be used to transect the ON, leading to axon degeneration and olfactory receptor neuron cell death. MOE, main olfactory epithelium; OB, olfactory bulb; ON, olfactory nerve.
