part of antennal segment embryonic antennal segment embryonic supraesophageal neuromere embryonic deutocerebrum neuromere b2 FBbt:00001067 VFB:FBbt_00001067 fly_anatomy.ontology embryonic deutocerebral neuromere Deutocerebrum of the embryo. It is the middle one of the three supraesophageal neuromeres, posterior to the protocerebrum and anterior to the tritocerebrum. It is part of the antennal segment. FBbt:00001958 embryonic deuterocerebral neuromere embryonic deuterocerebrum deutocerebrum embryonic central brain embryonic neuromere