embryonic/larval hypodermal muscle cell
 |__acute muscle cell____________
 |__larval external muscle cell__|
acute muscle                     |
 |__acute muscle cell____________|
 |__ventral acute muscle_________|
larval external muscle           |
 |__larval external muscle cell__|
 |__ventral acute muscle_________|
                                 ventral acute muscle cell  96 rec.
                                  |__A1-7 ventral acute muscle cell 82 rec.
                                  |   |__abdominal 1 ventral acute muscle cell(+) 18 rec.
                                  |   |__abdominal 2 ventral acute muscle cell(+) 24 rec.
                                  |   |__abdominal 3 ventral acute muscle cell(+) 18 rec.
                                  |   |__abdominal 4 ventral acute muscle cell(+) 18 rec.
                                  |   |__abdominal 5 ventral acute muscle cell(+) 18 rec.
                                  |   |__abdominal 6 ventral acute muscle cell(+) 18 rec.
                                  |   |__abdominal 7 ventral acute muscle cell(+) 24 rec.
                                  |   |__muscle cell of A1-7 ventral acute muscle 1(+) 22 rec.
                                  |   |__muscle cell of ventral acute muscle 2(+) 58 rec.
                                  |   |__muscle cell of ventral acute muscle 3(+) 24 rec.
                                  |__metathoracic ventral acute muscle cell 8 rec.
                                  |   |__muscle cell of metathoracic ventral acute muscle 1 1 rec.
                                  |__muscle cell of ventral acute muscle 1 26 rec.
                                      |__muscle cell of A1-7 ventral acute muscle 1(+) 22 rec.
                                      |__muscle cell of abdominal 8 ventral acute muscle 1 1 rec.
                                      |__muscle cell of metathoracic ventral acute muscle 1 1 rec.