title: Secondary teratogenic factors.
mesh_terms: D000818:Animals; D002454:Cell Differentiation; D002642:Chick Embryo; D002988:Cloaca / Q000033:anatomy & histology; D000013:Congenital Abnormalities / Q000209:etiology*; D004564:Electrocoagulation; D007422:Intestines / Q000002:abnormalities / Q000196:embryology*; D009024:Morphogenesis; D009420:Nervous System / Q000196:embryology*