Mesonephros Comparative Characteristics in Fish and Birds

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Abstract:

The aim of the study is to conduct a morphological and morphometric analysis of fish and birds mesonephros. It is shown that at the stages of chordates evolution urine formation system of anamniotes (fish) and amniotes (birds) is characterized by the phenomenon of organogenesis name as parallelism. It was revealed that structural and functional units of primary kidney i.e., mesonephrons have a fundamentally identical structure of anamniotes and amniotes and are characterized by a conditioned organotypical interval of morphometric parameters.

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