part of larval antennal segment sense organ dorsal organ dorsal organ dome sensillum 2008-09-08T12:36:38Z fly_anatomy.ontology central dome sensillum Dome shaped cuticular process of the larval dorsal organ, innervated by seven circularly arranged triplets of olfactory receptor neuron (ORN) dendrites. The wall of the dome has numerous pore channels, consistent with a role as an olfactory sense organ. FBbt:00007189 VFB:FBbt_00007189 external sensillum embryonic/larval head sensillum