attached to part of adult head adult thorax adult transverse horizontal neck muscle 2 2024-05-14T13:26:12Z TH2 muscle Based on length, position and proximity of anterior end to muscle 20 (OH muscles), TH1 and TH2 probably correspond to muscle 23 in Miller (1950) - FBrf0186027. fly_anatomy.ontology Long dorsal neck muscle that passes below the pleural apodeme (apophysis) and has its posterior attachment slightly ventroanterior to TH1 (Gorko et al., 2024). It tapers to a tendon that attaches to the posterior head (Gorko et al., 2024). It is innervated by the CvNA2 motor neuron (Gorko et al., 2024). FBbt:00053179 dorsal cervical muscle 23