part of central nervous system neuron interneuron FBbt:00005126 A neuron that is entirely confined to the central nervous system and is neither a sensory neuron nor a motor neuron. FBbt:00005125 fly_anatomy.ontology alt_id of FBbt:00005126 moved over following obsoletion of 'intrinsic neuron', unclear what this term was or whether 'interneuron' is a suitable replacement. CL:0000099 VFB:FBbt_00005125 central neuron