digestive system
 |__alimentary canal________
multi-tissue structure      |
 |__alimentary canal________|
multicellular structure     |
 |__multi-tissue structure__|
                            gut  8544 rec.
                             |__adult gut 2250 rec.
                             |   |__adult enterocyte(+) 249 rec.
                             |   |__adult foregut(+) 127 rec.
                             |   |__adult hindgut(+) 160 rec.
                             |   |__adult midgut(+) 1786 rec.
                             |   |__adult midgut-hindgut hybrid zone(+)
                             |   |__adult proventriculus(+) 86 rec.
                             |__embryonic/larval gut 3850 rec.
                             |   |__embryonic/larval foregut(+) 721 rec.
                             |   |__embryonic/larval hindgut(+) 638 rec.
                             |   |__embryonic/larval midgut(+) 2903 rec.
                             |   |__larval caeca region(+) 816 rec.
                             |   |__larval enterocyte(+) 115 rec.
                             |__gut epithelium 1724 rec.
                             |   |__enterocyte(+) 476 rec.
                             |   |__gut epithelial section(+) 1640 rec.
                             |__gut section 8269 rec.
                                 |__adult cibarium(+) 33 rec.
                                 |__adult midgut region(+) 319 rec.
                                 |__adult midgut-hindgut hybrid zone(+)
                                 |__anal imaginal ring 1 rec.
                                 |__anus(+) 54 rec.
                                 |__embryonic midgut chamber(+) 235 rec.
                                 |__embryonic/larval anterior midgut 176 rec.
                                 |__embryonic/larval copper cell region
                                 |__embryonic/larval iron cell region
                                 |__embryonic/larval large flat cell region
                                 |__embryonic/larval posterior midgut(+) 127 rec.
                                 |__esophagus(+) 297 rec.
                                 |__foregut(+) 3740 rec.
                                 |__foregut imaginal ring(+) 34 rec.
                                 |__hindgut(+) 1953 rec.
                                 |__ileum(+) 19 rec.
                                 |__larval anterior-middle midgut junction(+) 1 rec.
                                 |__larval caeca region(+) 816 rec.
                                 |__larval foregut atrium(+) 238 rec.
                                 |__larval hindgut imaginal ring 26 rec.
                                 |__larval midgut alkaline region 3 rec.
                                 |__larval midgut neutral region 3 rec.
                                 |__larval midgut transition region 3 rec.
                                 |__middle midgut(+) 262 rec.
                                 |__midgut(+) 4733 rec.
                                 |__pharynx(+) 294 rec.
                                 |__proctodeum 52 rec.
                                 |__proventriculus(+) 836 rec.
                                 |__pylorus(+) 30 rec.
                                 |__rectum(+) 145 rec.