The multiplication of nerve cells by amitotic division during extrauterine life in mammals.
D000818:Animals; D002415:Cats; D002455:Cell Division; D002467:Cell Nucleus; D002525:Cerebellar Cortex / Q000033:anatomy & histology; D003593:Cytoplasm; D004285:Dogs; D005727:Ganglia, Spinal / Q000033:anatomy & histology; D006168:Guinea Pigs; D008636:Mesencephalon / Q000033:anatomy & histology; D051379:Mice; D009474:Neurons / Q000166:cytology*; D011817:Rabbits; D051381:Rats; D013116:Spinal Cord / Q000033:anatomy & histology; D013194:Staining and Labeling; D014276:Trigeminal Nerve / Q000033:anatomy & histology