Fusion of upper incisors at bud or cap stage in mouse embryos with exencephaly induced by hypervitaminosis A.
D000818:Animals; D004622:Embryo, Mammalian; D007180:Incisor / Q000002:abnormalities*; D051379:Mice; D014083:Tooth Germ / Q000002:abnormalities*; D014801:Vitamin A / Q000009:adverse effects*