part of has fasciculating neuron projection develops from adult prothoracic anterior intermediate anterior commissure 2021-01-08T15:51:08Z FBbt:00047317 Commissure of the adult prothoracic neuromere that is derived from the larval prothoracic anterior intermediate commissure and is formed by hemilineage 8B neurons (Court et al., 2020). It crosses the midline posterior to hemilineage 2A fibers and anterior to the anterior intermediate posterior commissure (Court et al., 2020). ProNm AIa VFB:FBbt_00047317 fly_anatomy.ontology prothoracic dAIa adult anterior intermediate commissure larval prothoracic anterior intermediate commissure hemilineage 8B secondary neuron adult prothoracic neuromere