VTVOGENESIS AND CRmCAL STEPS OF DEVELOPMENT OF MAN AND ANIMALS
It has been founet that critical steps of development can be distinguished in the conduction of two peniods, and seldan in the conduction of stages. During resecuch fourteen critical, steps of development in vivogenesis (ontogenesis) for man and ten for animals (cattle) have been distinguished. There are general and specific morfofunctional characteristics of all critical steps of man and animal development in the paper.