By W. Rupik
The purpose of this learn used to be to enquire the advance and diffferentiation of the adrenal glands within the grass snake in the course of early levels of ontogenesis. After mild microscopy and ultrastructural research, six developmental stages have been wonderful within the grass snake adrenal glands. comparable developmental levels have been defined in pig embryos yet they a bit fluctuate from these awarded above. In reptile and mammal embryos an identical course of alterations is saw in primaordia of either tissues forming adrenal glands.