title: Neurotransmitters as morphogens.
mesh_terms: D000818:Animals; D005314:Embryonic and Fetal Development / Q000187:drug effects*; D005333:Fetus / Q000378:metabolism; D018377:Neurotransmitter Agents / Q000378:metabolism / Q000502:physiology*
chemical_list: D018377:Neurotransmitter Agents