title: Development of fine structure of spinal cord in monkey fetuses. II. Pre-reflex period to period of long intersegmental reflexes.
mesh_terms: D000717:Anatomy, Comparative; D000818:Animals; D003712:Dendrites; D005314:Embryonic and Fetal Development; D000882:Haplorhini; D006801:Humans; D008854:Microscopy, Electron; D009043:Motor Activity; D009046:Motor Neurons / Q000196:embryology*; D012018:Reflex / Q000502:physiology*; D013116:Spinal Cord / Q000196:embryology*; D013569:Synapses