| Cardiac design in lower vertebrates: what can phylogeny reveal about ontogeny? | |
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MedLine Citation:
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PMID: 3058499 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In very few instances can the cardiovascular systems of adult 'lower' vertebrates serve as direct models for development in 'higher' vertebrates, primarily because numerous evolutionary specializations for preferential distribution of cardiac output between systemic tissues and gas exchange organs occur in the highly derived circulation of most extant lower vertebrates. Yet, the extensive literature on the cardiovascular anatomy and physiology of aquatic and air breathing fishes, amphibians and reptiles offers important conceptual insights into both patterns and mechanisms of development in birds and mammals. The primary contribution of such studies to the student of developing bird and mammal circulations is the clear demonstration that surprisingly complex hemodynamic function can develop from supposedly 'simple' cardiovascular systems typified by incompletely divided heart chambers. Thus, the hemodynamics of embryonic bird and mammal circulations should be determined by measurement, rather than inferred from structure. |
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Authors:
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W W Burggren |
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Publication Detail:
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Type: Comparative Study; Journal Article; Research Support, U.S. Gov't, Non-P.H.S.; Review |
Journal Detail:
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Title: Experientia Volume: 44 ISSN: 0014-4754 ISO Abbreviation: Experientia Publication Date: 1988 Dec |
Date Detail:
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Created Date: 1989-01-23 Completed Date: 1989-01-23 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 0376547 Medline TA: Experientia Country: SWITZERLAND |
Other Details:
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Languages: eng Pagination: 919-30 Citation Subset: IM |
Affiliation:
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Department of Zoology, University of Massachusetts, Amherst 01003-0027. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Amphibians*
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anatomy & histology,
embryology,
physiology Animals Cardiovascular Physiological Phenomena Cardiovascular System / anatomy & histology Fishes* / anatomy & histology, embryology, physiology Heart* / anatomy & histology, embryology, physiology Phylogeny* Reptiles* / anatomy & histology, embryology, physiology |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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