multi-cell-component structure
   |__neuron projection bundle
       |__nerve root  49 rec.
           |__accessory pharyngeal nerve projection
           |__adult dorsal metathoracic nerve root
           |__adult maxillary-labial nerve root
           |   |__adult maxillary-labial nerve anterior root
           |   |__adult maxillary-labial nerve intermediate anterior root
           |   |__adult maxillary-labial nerve intermediate posterior root
           |   |__adult maxillary-labial nerve intermediate root
           |   |__adult maxillary-labial nerve posterior root
           |__adult pharyngeal nerve root
           |   |__adult pharyngeal nerve anterior root
           |   |__adult pharyngeal nerve medial root
           |   |__adult pharyngeal nerve posterior root
           |__larval intersegmental nerve root 46 rec.
           |   |__larval anterior intersegmental nerve root of A1-7
           |   |__larval posterior intersegmental nerve root of A1-7
           |__larval lateropharyngeal nerve root
           |__larval maxillary-labial nerve root
           |   |__larval maxillary-labial nerve anterior root
           |   |__larval maxillary-labial nerve intermediate anterior root
           |   |__larval maxillary-labial nerve intermediate posterior root
           |   |__larval maxillary-labial nerve intermediate root
           |   |__larval maxillary-labial nerve posterior root
           |__larval nervus corporis cardiaci II root
           |__larval pharyngeal nerve root
           |   |__larval pharyngeal nerve anterior root
           |   |__larval pharyngeal nerve medial root
           |   |__larval pharyngeal nerve posterior root
           |__larval segmental nerve root 21 rec.
           |   |__larval segmental nerve root of A1-7
           |__larval transverse nerve root
           |__stomodeal nerve projection
               |__type a stomodeal nerve projection
               |__type b stomodeal nerve projection
               |__type c stomodeal nerve projection