anatomical structure
   |__multicellular structure
       |__organ system  88944 rec.
           |__adipose system 2879 rec.
           |   |__adult adipose system 659 rec.
           |   |__larval adipose system 1867 rec.
           |__circulatory system 5459 rec.
           |   |__adult circulatory system 2208 rec.
           |   |__larval circulatory system 2891 rec.
           |__digestive system 9109 rec.
           |   |__adult digestive system 2323 rec.
           |   |__larval digestive system 5781 rec.
           |__excretory system 2416 rec.
           |   |__adult excretory system 473 rec.
           |   |__larval excretory system 599 rec.
           |__integumentary system 32936 rec.
           |   |__adult integumentary system 25509 rec.
           |   |__larval integumentary system 3188 rec.
           |   |__prepupal integumentary system 76 rec.
           |   |__pupal integumentary system 18 rec.
           |__muscle system 5625 rec.
           |   |__adult muscle system 2180 rec.
           |   |__larval muscle system 3261 rec.
           |__nervous system 44378 rec.
           |   |__adult nervous system 28976 rec.
           |   |__larval nervous system 14068 rec.
           |   |__pupal nervous system 50 rec.
           |__reproductive system 12789 rec.
           |   |__female reproductive system 7972 rec.
           |   |__male reproductive system 5367 rec.
           |__tracheal system 3068 rec.
               |__adult tracheal system 179 rec.
               |__larval tracheal system 2634 rec.
               |__pupal tracheal system 177 rec.