part of part of in lateral side of in taxon Arthropoda Chelicerata appendage head antenna Wikipedia:Antenna_(biology) AEO:0000198 MIAA:0000086 antenno this term should be ceded to the arthropod anatomy ontology antennal feeler UBERON:0000972 BTO:0000074 EFO:0000874 MAT:0000086 FBbt:00004511 HAO:0000101 TGMA:0000007 The paired, usually multiple jointed, sensory organs articulating on the procephalic region of the head capsule; its highly versatile sensory structures are capable to detect the various environmental stimuli. In the context of Drosophila refers to they are the most anterior segmented sensory appendage of the head. lateral structure