Summary and Info
Knowledge of the development and differentiation of adrenal glands in reptile embryos is fragmentary and inaccurate. Many contradictions and a lack of electron microscopical analysis of reptile adrenal primordia make it difficult to compare the gland development to other vertebrate groups. Insufficient knowledge allows us to only form hypotheses as to the differentiation of reptile adrenals, leading to certain generalisations on the evolutionary development of this organ in vertebrates. Thus, there are still many questions worth answering. To date, the genesis of interrenal tissues has not been clarified. The question of the moment of differentiation of two tissues remains open, as does that of their mutual topographic relationship during the development of adrenal glands in almost all reptile species. Furthermore, the time of the start of catecholamine synthesis in chromaffin tissue cells has not yet been defined. We also do not know when the adrenal cells in reptiles leave the embryonic stage and enter a full activity period. The reader will find answers to many of the above questions in the present volume.
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Early Development of the Adrenal Glands in the Grass Snake Natrix natrix L. (Lepidosauria, Serpentes) 0 out of 5 stars based on 0 ratings.