prothoracic trochanter campaniform sensillum prothoracic trochanter campaniform sensillum Sc13 TrFF FBbt:00004264 Any one of a cluster of ~11-13 campaniform sensilla located posteriorly and distally on the prothoracic trochanter - near to its joint with the femur. The cluster is divided into two subfields by a cuticular ridge (Dinges et al., 2020). fly_anatomy.ontology prothoracic Sc-8 + Sc+5 VFB:FBbt_00004264 prothoracic trochanter sensillum campaniformium Sc13