The supernumerary cheek tooth in tabby/EDA mice-a reminiscence of the premolar in mouse ancestors
Keywords: Cr; crinkled; Dl; downless; ED; embryonic day; EDA; ectodysplasin-A; M1, M2 and M3; the first, second and third lower molar, respectively; MS; mesial segment; R2; wide bud; S; supernumerary cheek tooth; T1, T2 and T3; the first, second and third lower che