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SM ISO690:2012 ARENSBURG, B., HEIMAN, A., WOLF, M., BELKIN, V.. The impact of global climatic variations upon middle ear ossicles dimensions. In: Actual issues of morphology, 20-22 septembrie 2012, Chişinău. Chişinău: Tipogr.-Sirius, 2012, pp. 68-73. ISBN 978-9975-57-046-6.. |
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Actual issues of morphology 2012 | ||||||
Conferința "Actual issues of morphology." Chişinău, Moldova, 20-22 septembrie 2012 | ||||||
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Pag. 68-73 | ||||||
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Hypothesis: The morphology of middle ear ossicles varies between people living in different climatic regions. Background: The differences between climatic conditions in different world regions have a morphological and physiological influence on human development. The present study is aimed to investigate morphological variations of middle-ear ossicles collected from different geographic locations on the globe. Methods: Middle ear ossicles (total samples 631) were collected from 6 different geographic regions: Australia, Chile, France, India, Israel and Kenya. Latitude and longitude, and climatic parameters (mean temperature, humidity and daylight duration of the warmer and colder months, and altitude above sea level) were collected for each region. The associations between middle ear ossicles’ dimensions and climate were evaluated using Pearson’s correlations. Results: Significant differences between samples of middle ear ossicles’ characteristics were found. Correlations between the ‘above sea level’ altitude and longitudinal sizes of the malleus, incus and stapes were negative. Correlations between warm temperature and longitudinal sizes of the malleus, incus and stapes were positive. Conclusions: Differences in characteristics of middle ear ossicles encountered between territorial samples could be the result of climatic variations |
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Cuvinte-cheie middle ear ossicles, climate, косточки среднего уха, климат |
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