an electron microscopic study of the components of anterior limb buds of the slow-worm ( anguis fragilis ) and of the green lizard ( lacerta viridis ) ( embryos of anguis whose allantoic bud reach 0,7 to 4 mm of length ; embryos of lacerta 2 to 7 days old ) provides data on the cytological characteristics of the components of the limb bud at these early stages .
C1444754
length
C1521970
characteristics