FB2026_03 , released September 17, 2026
CV Term Report
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Term dorsal median cell ID (Ontology) FBbt:00001326 (Fly Anatomy)
Definition Muscle cell of mesodermal origin that is located on the dorsal surface of the midline of the ventral nerve cord, associated with the embryonic transverse nerve. It is found from T1 to A7 segments. At stage 11 its cell body is round, whereas at stage 14 it displays a characteristic triangle shape, with processes that extend anteriorly and laterally from the vertices, across the width of the ventral nerve cord, to terminate on lateral body muscles. It displays both neural and glial characteristics. These processes act as pioneer for the neurons that fasciculate with the transverse nerve. At stage 11 there are 4 cells, but by stage 14, when these cells have matured, there are only 2.[ FlyBase:FBrf0075005 FlyBase:FBrf0075103 FlyBase:FBrf0095612 FlyBase:FBrf0098916 FlyBase:FBrf0219785 ]
Also Known As"DM"
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VFB:FBbt_00001326
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larval nervous system
 |__larval peripheral nervous system_________
 |__embryonic/larval midline accessory cell__|
peripheral nervous system                    |
 |__larval peripheral nervous system_________|
mesodermal derivative                        |
 |__trunk mesoderm derivative________________|
somatic cell                                 |
 |__embryonic/larval midline accessory cell__|
                                             dorsal median cell  14 rec.
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Is a trunk mesoderm derivative
embryonic/larval midline accessory cell
Part of larval peripheral nervous system
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VFB:FBbt_00001326