title: Corticosopinal fibers in New World and Old World simians.
mesh_terms: D000818:Animals; D002540:Cerebral Cortex / Q000033:anatomy & histology*; D000882:Haplorhini / Q000033:anatomy & histology*; D015186:Hominidae / Q000033:anatomy & histology*; D009046:Motor Neurons; D009410:Nerve Degeneration; D013116:Spinal Cord / Q000033:anatomy & histology*