Optic Neuron

Confocal microscopy image of an individual transmedulla neuron, called Tm3, in the Drosophila optic lobe. Left panel: photoreceptors (red) and a Tm3 neuron labelled with GFP (green). Right panel: an individual Tm3 neuron (green) and a Tm3 neuron traced from a confocal microscopy image (grey). Credit: P. Muthuirulan and C.H. Lee, NICHD

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