multicellular structure
   |__organ system subdivision
       |__gut section  8191 rec.
           |__adult cibarium 33 rec.
           |__adult midgut region 301 rec.
           |   |__adult anterior midgut 120 rec.
           |   |__adult midgut region R0
           |   |__adult midgut region R1 6 rec.
           |   |__adult midgut region R1a
           |   |__adult midgut region R1b
           |   |__adult midgut region R2 18 rec.
           |   |__adult midgut region R2a
           |   |__adult midgut region R2b
           |   |__adult midgut region R2c
           |   |__adult midgut region R3 89 rec.
           |   |__adult midgut region R3a 4 rec.
           |   |__adult midgut region R3ab 32 rec.
           |   |__adult midgut region R3b 4 rec.
           |   |__adult midgut region R3c 7 rec.
           |   |__adult midgut region R4 9 rec.
           |   |__adult midgut region R4a
           |   |__adult midgut region R4b
           |   |__adult midgut region R4c
           |   |__adult midgut region R5 37 rec.
           |   |__adult midgut region R5a
           |   |__adult midgut region R5b
           |   |__adult posterior midgut 155 rec.
           |__adult midgut-hindgut hybrid zone
           |__anal imaginal ring 1 rec.
           |__anus 54 rec.
           |   |__adult anus 14 rec.
           |   |__embryonic/larval anus 40 rec.
           |__embryonic midgut chamber 235 rec.
           |   |__embryonic midgut chamber 1 9 rec.
           |   |__embryonic midgut chamber 2 11 rec.
           |   |__embryonic midgut chamber 3 4 rec.
           |   |__embryonic midgut chamber 4 2 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.
           |   |__adult esophagus 23 rec.
           |   |__embryonic esophagus 216 rec.
           |   |__embryonic/larval esophagus 57 rec.
           |__foregut 3730 rec.
           |   |__adult foregut 127 rec.
           |   |__embryonic foregut 1200 rec.
           |   |__embryonic/larval foregut 721 rec.
           |__foregut imaginal ring 34 rec.
           |__hindgut 1945 rec.
           |   |__adult hindgut 152 rec.
           |   |__embryonic hindgut 1161 rec.
           |   |__embryonic/larval hindgut 638 rec.
           |__ileum 13 rec.
           |   |__adult anterior hindgut 8 rec.
           |   |__embryonic/larval ileum 5 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.
           |   |__adult midgut region R3 89 rec.
           |   |__embryonic/larval middle midgut 120 rec.
           |__midgut 4669 rec.
           |   |__adult midgut 1725 rec.
           |   |__embryonic/larval midgut 2900 rec.
           |__pharynx 294 rec.
           |   |__adult pharynx 40 rec.
           |   |__embryonic/larval pharynx 237 rec.
           |__proctodeum 52 rec.
           |__proventriculus 836 rec.
           |   |__adult proventriculus 86 rec.
           |   |__embryonic proventriculus 448 rec.
           |   |__embryonic/larval proventriculus 293 rec.
           |__pylorus 24 rec.
           |   |__adult pylorus 24 rec.
           |   |__embryonic/larval pylorus 1 rec.
           |__rectum 145 rec.
               |__adult posterior hindgut(+) 31 rec.
               |__embryonic rectum 56 rec.
               |__embryonic/larval rectum 56 rec.