Przeglądaj wg Autor "Kostiuk, Volodymyr"

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    Some features of the structure of a flying feather domestic goose (Anser anser)
    (Wydawnictwo Uczelniane Zachodniopomorskiego Uniwersytetu Technologicznego w Szczecinie, 2017) Kostiuk, Volodymyr; Voloshchuk, Oksana; Department of Anatomy of Animals, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine; Department of Anatomy of Animals, National University of Life and Environmental Sciences of Ukraine, Kyiv, Ukraine
    It was found out the quantity of rectrices tail feathers and all kinds of remiges wing of domestic goose. There were described the features of macro- and micro-structure and morphometric parameters remiges and rectrices – calamus, pulp case, rachis pennae and barbules pennae. It was established that the medulla rhachis stems are heterogeneous. More dense areas of it together with substance of the rachis of the feathers form the skeleton of the rachis. It is discovered that rami pennae remiges are interconnected with each other not with also only barbules pennae but ventral ridge.