title: Serially homologous neurones as concomitants of functional specialisation.
mesh_terms: D000818:Animals; D005075:Biological Evolution; D005121:Extremities / Q000294:innervation; D006110:Grasshoppers / Q000033:anatomy & histology / Q000502:physiology*; D009046:Motor Neurons / Q000166:cytology / Q000502:physiology*; D009068:Movement; D009132:Muscles / Q000294:innervation; D013997:Time Factors