| Body build and temperature tolerance: an experimental analysis of ecological 'rules'. | |
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MedLine Citation:
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PMID: 7405512 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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According to current anthropological theory, the two factors that primarily determine thermoregulation in human populations are body size and body proportions, and they have found their formulation in the ecological 'rules' of Bergmann and Allen. In order to test the validity of these idea, Buffalo and Fisher rats were submitted to various levels of heat and cold. The two strains were chosen because they demonstrate maximum differences in body size and body proportions in domesticated rats. The experiments lead to the conclusion that Allen's rule has only a limited applicability under conditions of heat and none in cold. However, Bergmann's rule is well substantiated by experimental data in heat and in cold. Nutrition is one of the most important factors influencing thermoregulation, but an extremely high degree of individual variation in temperature tolerance is found even under conditions of maximum homozygosity. The basic physiological processes of thermoregulation are sufficiently similar in human and nonhuman homeotherms to justify the extrapolation from one to the other. |
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Authors:
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A Riesenfeld |
Publication Detail:
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Type: Comparative Study; Journal Article |
Journal Detail:
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Title: Acta anatomica Volume: 107 ISSN: 0001-5180 ISO Abbreviation: Acta Anat (Basel) Publication Date: 1980 |
Date Detail:
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Created Date: 1980-10-24 Completed Date: 1980-10-24 Revised Date: 2008-11-21 |
Medline Journal Info:
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Nlm Unique ID: 0370272 Medline TA: Acta Anat (Basel) Country: SWITZERLAND |
Other Details:
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Languages: eng Pagination: 35-45 Citation Subset: IM |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Animals Biometry Body Constitution* Body Surface Area Body Temperature Regulation* Cardiovascular Physiological Phenomena Cold Temperature Female Hot Temperature Male Nutritional Physiological Phenomena Rats Rats, Inbred BUF Rats, Inbred Strains / anatomy & histology* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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