title: Prenatal development of the human spinal cord. I. Ventral motor neurons.
mesh_terms: D002454:Cell Differentiation; D005865:Gestational Age; D006801:Humans; D009046:Motor Neurons / Q000166:cytology*; D013116:Spinal Cord / Q000166:cytology / Q000196:embryology*; D013126:Spinal Nerve Roots / Q000196:embryology