[Comparative morphological study of thyroid gland in mammalian animals and man].

The objective of this study was to examine the morphological peculiarities of the thyroid gland in animals of different mammalian orders and in man at both macroscopic and microscopic level. 304 specimens of the thyroid gland obtained from the animals of 13 species and 5 mammalian orders and man, were studied. At the macroscopic level, the changes of lobar shape, presence and structural peculiarities of the isthmus, and its relative size were analyzed.