Early development of the adrenal glands in the grass snake Natrix natrix L. (Lepidosauria, Serpentes)
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Bibliographic Information
Early development of the adrenal glands in the grass snake Natrix natrix L. (Lepidosauria, Serpentes)
（Advances in anatomy, embryology and cell biology, v. 164）
Springer, 2002
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Includes bibliographical references and index
Description and Table of Contents
Description
The aim of this study was to investigate the development and diffferentiation of the adrenal glands in the grass snake during early stages of ontogenesis. After light microscopy and ultrastructural investigation, six developmental phases were distinguished in the grass snake adrenal glands. Similar developmental phases were described in pig embryos but they slightly differ from those presented above. In reptile and mammal embryos a similar direction of changes is observed in primaordia of both tissues forming adrenal glands.
Table of Contents
Introduction.-Comparative morphology of vertebrate adrenals.-History of reptilel adrenal studies.-Nomenclature of reptiel adrenal glands.-Adrenal glands in reptiles.-Embryonic development of reptile adrenals.-Why we study development and differentiation of adrenal glands in snakes?-Material and methods.-Materials.- Characteristic features.-Normal table.- Methods of research.-Results.-Microscopic anatomy of the interrenal tissues primordium.-Ultrastructure of the interrenal tissue primordium.- Microscopic anatomy of the chromaffine tissue primordium.-Ultrastructure of the chromaffine tissue primordium.-Stages of the adrenal development.-Discussion.-Conclusions.-Summary.- Acknowledgement.-References.-Subject index
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