central nervous system
 |__neuropil_______________________
material anatomical entity         |
 |__disconnected anatomical group__|
multi-cell-component structure     |
 |__neuropil_______________________|
                                   tract neuropil  1400 rec.
                                    |__fiber system
                                    |   |__adult inferior fiber system
                                    |   |__adult superior fiber system
                                    |__nerve root 49 rec.
                                    |   |__accessory pharyngeal nerve projection
                                    |   |__adult dorsal metathoracic nerve root
                                    |   |__adult maxillary-labial nerve root(+)
                                    |   |__adult pharyngeal nerve root(+)
                                    |   |__larval intersegmental nerve root(+) 46 rec.
                                    |   |__larval lateropharyngeal nerve root
                                    |   |__larval maxillary-labial nerve root(+)
                                    |   |__larval nervus corporis cardiaci II root
                                    |   |__larval pharyngeal nerve root(+)
                                    |   |__larval segmental nerve root(+) 21 rec.
                                    |   |__larval transverse nerve root
                                    |   |__nerve root glial cell(+) 45 rec.
                                    |   |__stomodeal nerve projection(+)
                                    |__tract 1350 rec.
                                        |__adult cervical connective(+) 20 rec.
                                        |__adult optic lobe-calycal tract(+)
                                        |__chiasma(+) 49 rec.
                                        |__commissure(+) 713 rec.
                                        |__embryonic fiber tract(+) 18 rec.
                                        |__embryonic/larval posterior cervical tract
                                        |__fascicle(+) 914 rec.
                                        |__median bundle(+) 42 rec.
                                        |__ocellar nerve 27 rec.
                                        |__pb-fb tract(+) 1 rec.
                                        |__supraesophageal gustatory tract(+)