has fasciculating neuron projection adult anterior anterior ventral commissure 2021-01-08T10:51:31Z fly_anatomy.ontology Adult commissure found at the ventralmost margin of the anterior part of the neuromere, outside of the cell body rind (Court et al., 2020). It is derived from the larval anterior ventral commissure, which becomes segregated into two (anterior and posterior) adult commissures, and is formed by the primary neurite bundles of hemilineage 1A (Court et al., 2020). There is one in each thoracic segment (Court et al., 2020). FBbt:00047107 aAV VFB:FBbt_00047107 adult anterior ventral commissure hemilineage 1A secondary neuron