innervates adult alary muscle cell nerve adult transverse nerve 2015-12-17T16:59:25Z VFB:FBbt_00111323 FBbt:00111323 fly_anatomy.ontology Thin, peripheral adult nerve that branches from the segmental nerve in the dorsal midline of the thoracico-abdominal of each abdominal neuromere. Each transverse nerve from A1 to A5 extends obliquely forward to the next preceding abdominal neuromere where it terminates on the alary muscles of the heart chamber. adult TN