part of has fasciculating neuron projection develops from larval metathoracic posterior intermediate commissure adult metathoracic dorsal posterior intermediate commissure 2021-01-11T14:04:24Z metathoracic dPI FBbt:00047327 Commissure of the adult metathoracic neuromere that is derived from the larval metathoracic posterior intermediate commissure and is formed by hemilineage 19B neurons (Court et al., 2020). It is the most dorsal of the adult posterior intermediate commissures in this neuromere and it crosses the midline close to, but anterior to, the metathoracic posterior dorsal commissure (Court et al., 2020). MetaNm dPI fly_anatomy.ontology VFB:FBbt_00047327 adult posterior intermediate commissure hemilineage 19B secondary neuron adult metathoracic neuromere