The rubro-spinal tract of the opposum (Didelphis virginiana).
D000818:Animals; D001415:Back / Q000294:innervation; D001931:Brain Mapping; D004558:Electric Stimulation; D005552:Forelimb / Q000294:innervation; D007839:Functional Laterality; D006614:Hindlimb / Q000294:innervation; D009068:Movement; D009410:Nerve Degeneration; D009893:Opossums / Q000033:anatomy & histology*; D012012:Red Nucleus / Q000502:physiology; D013116:Spinal Cord / Q000033:anatomy & histology* / Q000502:physiology