part of has fasciculating neuron projection develops from adult mesothoracic dorsal anterior intermediate commissure 2021-01-08T16:04:54Z fly_anatomy.ontology MesoNm dAI Commissure of the adult mesothoracic neuromere that is derived from the larval mesothoracic anterior intermediate commissure and is formed by hemilineage 18B neurons (Court et al., 2020). It crosses the midline anterior to hemilineage 2A fibers (Court et al., 2020). VFB:FBbt_00047467 FBbt:00047467 adult anterior intermediate commissure larval mesothoracic anterior intermediate commissure lineage 18 secondary neuron adult mesothoracic neuromere