A 50-year-old male patient presented with ataxia and gait abnormality along with fleeting and repetitive lancinating pains, primarily in the legs. He also complained of paresthesias and bladder disturbances. On neurological examination, Loss of reflexes in B/L lower limbs Romberg sign was present B/L Argyll Robeson pupils Impaired position and vibratory sense. MRI spine All the statements associated with the most impoant tract involved in the above disease are true except: -