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Evidence for Avian Intrathoracic Air Sacs in a New Predatory Dinosaur from Argentina
BACKGROUND: Living birds possess a unique heterogeneous pulmonary system composed of a rigid, dorsally-anchored lung and several compliant air sacs that operate as bellows, driving inspired air through the lung. Evidence from the fossil record for the origin and evolution of this system is extremely...
| Autores principales: | , , , , , |
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| Formato: | Texto |
| Lenguaje: | English |
| Publicado: |
Public Library of Science
2008
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2553519/ https://www.ncbi.nlm.nih.gov/pubmed/18825273 http://dx.doi.org/10.1371/journal.pone.0003303 |