článek Ptačí kostra a její znaky
Jan Řezníček
informace
rok: 2017
číslo: 2
plný text: PDF
datum elektronické publikace: 30. 6. 2017
DOI: 10.14712/25337556.2017.2.6
ISSN (elektronická verze): 2533-7556
Toto dílo podléhá licenci Creative Commons Uveďte původ 4.0 Mezinárodní License.
abstrakt
The article describes skeleton features of the avian species. It is aimed at specifc features, developed solely at the avian skeleton. Te article mentions some features of the dinosaur taxon, especially those that distinguish the birds and the dinosaurs. Te article emphasizes the evolutionary trend of the birds, where the structural schematics of the skeleton trends towards three features present only in the avian species. Tese features are: 1) short tail with no muscles, 2) strongly developed pectoral muscles and V-shaped clavicle bone (furcula), 3) specifc built of legs that are primarily used for running.
klíčová slova
kostra, pták, znaky kostry
plný text (PDF )
Reference
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