label: DNg_L; Part of comprehensive neck connective tracing, contact Connectomics Group Cambridge for more detailed information on descending/ascending neurons; descending_FW_127_left; descending_FW_127_left; Premotor neuron Rounddown (Shiu, Sterne et al., 2022; https://doi.org/10.1101/2022.03.06.483180)