organ system subdivision
   |__segmental subdivision of organ system
       |__neuromere  13600 rec.
           |__abdominal neuromere 100 rec.
           |   |__adult abdominal neuromere 37 rec.
           |   |__embryonic abdominal neuromere(+) 4 rec.
           |   |__larval abdominal neuromere(+) 51 rec.
           |__adult neuromere 12418 rec.
           |   |__adult abdominal neuromere 37 rec.
           |   |__adult deutocerebrum 5061 rec.
           |   |__adult gnathal neuromere(+)
           |   |__adult protocerebrum 11235 rec.
           |   |__adult thoracic neuromere(+) 73 rec.
           |   |__adult tritocerebrum 588 rec.
           |__deutocerebrum 5242 rec.
           |   |__adult deutocerebrum 5061 rec.
           |   |__embryonic deutocerebrum 24 rec.
           |   |__larval deutocerebrum 51 rec.
           |__embryonic neuromere 130 rec.
           |   |__embryonic gnathal neuromere(+) 11 rec.
           |   |__embryonic supraesophageal neuromere(+) 98 rec.
           |   |__embryonic VNC neuromere(+) 26 rec.
           |__gnathal neuromere 12 rec.
           |   |__adult gnathal neuromere(+)
           |   |__embryonic gnathal neuromere(+) 11 rec.
           |   |__larval gnathal neuromere(+) 1 rec.
           |__larval neuromere 1305 rec.
           |   |__larval abdominal neuromere(+) 51 rec.
           |   |__larval deutocerebrum 51 rec.
           |   |__larval gnathal neuromere(+) 1 rec.
           |   |__larval protocerebrum 1215 rec.
           |   |__larval thoracic neuromere(+) 23 rec.
           |   |__larval tritocerebrum 11 rec.
           |__protocerebrum 12262 rec.
           |   |__adult protocerebrum 11235 rec.
           |   |__embryonic protocerebrum 56 rec.
           |   |__larval protocerebrum 1215 rec.
           |__thoracic neuromere 120 rec.
           |   |__adult thoracic neuromere(+) 73 rec.
           |   |__embryonic thoracic neuromere(+) 3 rec.
           |   |__larval thoracic neuromere(+) 23 rec.
           |   |__mesothoracic neuromere(+) 37 rec.
           |   |__metathoracic neuromere(+) 40 rec.
           |   |__prothoracic neuromere(+) 41 rec.
           |__tritocerebrum 669 rec.
               |__adult tritocerebrum 588 rec.
               |__embryonic tritocerebrum 42 rec.
               |__larval tritocerebrum 11 rec.