adult optic lobe columnar neuron optic lobe wide-field columnar neuron 2012-07-23T02:45:37Z optic lobe multicolumnar neuron FBbt:00110137 Columnar interneuron of the optic lobe whose collaterals extend over more than one optic column. VFB:FBbt_00110137 This definition follows Fischbach and Dittrich (1989) in classifying based on the extension of the collaterals. A wide-field columnar neuron is classified as non-columnar by Morante and Desplan (2008). fly_anatomy.ontology optic lobe multi-columnar neuron