Energy efficiency of respiration in mature and newborn reindeer
Reindeer ( Rangifer tarandus ) have evolved elaborate nasal turbinate structures that are perfused via a complex vascular network. These are subject to thermoregulatory control, shifting between heat conservation and dissipation, according to the animal’s needs. The three-dimensional design of the t...
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Online Access: | https://hdl.handle.net/10037/18498 https://doi.org/10.1007/s00360-020-01284-3 |
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ftunivtroemsoe:oai:munin.uit.no:10037/18498 2023-05-15T18:04:23+02:00 Energy efficiency of respiration in mature and newborn reindeer Solberg, Simon Birger Byremo Kjelstrup, Signe Magnanelli, Elisa Kizilova, Nataliya Barroso, Iratxe Lorea Casado Acquarone, Mario Folkow, Lars 2020-05-25 https://hdl.handle.net/10037/18498 https://doi.org/10.1007/s00360-020-01284-3 eng eng Springer Verlag Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology Norges forskningsråd: 257632 Norges forskningsråd: 262644 info:eu-repo/grantAgreement/RCN/FMETEKN/257632/Norway/Centre for an Energy Efficient and Competitive Industry for the Future/HighEFF/ info:eu-repo/grantAgreement/RCN/SFF/262644/Norway/Porous Media Laboratory, Porøse-medier laboratoriet/PoreLab/ Solberg SBB, Kjelstrup S, Magnanelli E, Kizilova N, Barroso, Acquarone M, Folkow P. Energy efficiency of respiration in mature and newborn reindeer. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 2020 FRIDAID 1814249 https://doi.org/10.1007/s00360-020-01284-3 0174-1578 1432-136X https://hdl.handle.net/10037/18498 openAccess Copyright 2020 The Author(s) VDP::Mathematics and natural science: 400 VDP::Matematikk og Naturvitenskap: 400 Journal article Tidsskriftartikkel Peer reviewed publishedVersion 2020 ftunivtroemsoe https://doi.org/10.1007/s00360-020-01284-3 2021-06-25T17:57:29Z Reindeer ( Rangifer tarandus ) have evolved elaborate nasal turbinate structures that are perfused via a complex vascular network. These are subject to thermoregulatory control, shifting between heat conservation and dissipation, according to the animal’s needs. The three-dimensional design of the turbinate structures is essential in the sense that they determine the efficiency with which heat and water are transferred between the structure and the respired air. The turbinates have already a relatively large surface area at birth, but the structures have yet not reached the complexity of the mature animal. The aim of this study was to elucidate the structure–function relationship of the heat exchange process. We have used morphometric and physiological data from newborn reindeer calves to construct a thermodynamic model for respiratory heat and water exchange and present novel results for the simulated respiratory energy losses of calves in the cold. While the mature reindeer effectively conserves heat and water through nasal counter-current heat exchange, the nose of the calf has not yet attained a similar efficiency. We speculate that this is probably related to structure-size limitations and more favourable climate conditions during early life. The fully developed structure–function relationship may serve as inspiration for engineering design. Simulations of different extents of mucosal vascularization suggest that the abundance and pattern of perfusion of veins in the reindeer nasal mucosa may contribute to the control of temperature profiles, such that nasal cavity tissue is sufficiently warm, but not excessively so, keeping heat dissipation within limits. Article in Journal/Newspaper Rangifer tarandus University of Tromsø: Munin Open Research Archive Journal of Comparative Physiology B 190 4 509 520 |
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Open Polar |
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University of Tromsø: Munin Open Research Archive |
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ftunivtroemsoe |
language |
English |
topic |
VDP::Mathematics and natural science: 400 VDP::Matematikk og Naturvitenskap: 400 |
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VDP::Mathematics and natural science: 400 VDP::Matematikk og Naturvitenskap: 400 Solberg, Simon Birger Byremo Kjelstrup, Signe Magnanelli, Elisa Kizilova, Nataliya Barroso, Iratxe Lorea Casado Acquarone, Mario Folkow, Lars Energy efficiency of respiration in mature and newborn reindeer |
topic_facet |
VDP::Mathematics and natural science: 400 VDP::Matematikk og Naturvitenskap: 400 |
description |
Reindeer ( Rangifer tarandus ) have evolved elaborate nasal turbinate structures that are perfused via a complex vascular network. These are subject to thermoregulatory control, shifting between heat conservation and dissipation, according to the animal’s needs. The three-dimensional design of the turbinate structures is essential in the sense that they determine the efficiency with which heat and water are transferred between the structure and the respired air. The turbinates have already a relatively large surface area at birth, but the structures have yet not reached the complexity of the mature animal. The aim of this study was to elucidate the structure–function relationship of the heat exchange process. We have used morphometric and physiological data from newborn reindeer calves to construct a thermodynamic model for respiratory heat and water exchange and present novel results for the simulated respiratory energy losses of calves in the cold. While the mature reindeer effectively conserves heat and water through nasal counter-current heat exchange, the nose of the calf has not yet attained a similar efficiency. We speculate that this is probably related to structure-size limitations and more favourable climate conditions during early life. The fully developed structure–function relationship may serve as inspiration for engineering design. Simulations of different extents of mucosal vascularization suggest that the abundance and pattern of perfusion of veins in the reindeer nasal mucosa may contribute to the control of temperature profiles, such that nasal cavity tissue is sufficiently warm, but not excessively so, keeping heat dissipation within limits. |
format |
Article in Journal/Newspaper |
author |
Solberg, Simon Birger Byremo Kjelstrup, Signe Magnanelli, Elisa Kizilova, Nataliya Barroso, Iratxe Lorea Casado Acquarone, Mario Folkow, Lars |
author_facet |
Solberg, Simon Birger Byremo Kjelstrup, Signe Magnanelli, Elisa Kizilova, Nataliya Barroso, Iratxe Lorea Casado Acquarone, Mario Folkow, Lars |
author_sort |
Solberg, Simon Birger Byremo |
title |
Energy efficiency of respiration in mature and newborn reindeer |
title_short |
Energy efficiency of respiration in mature and newborn reindeer |
title_full |
Energy efficiency of respiration in mature and newborn reindeer |
title_fullStr |
Energy efficiency of respiration in mature and newborn reindeer |
title_full_unstemmed |
Energy efficiency of respiration in mature and newborn reindeer |
title_sort |
energy efficiency of respiration in mature and newborn reindeer |
publisher |
Springer Verlag |
publishDate |
2020 |
url |
https://hdl.handle.net/10037/18498 https://doi.org/10.1007/s00360-020-01284-3 |
genre |
Rangifer tarandus |
genre_facet |
Rangifer tarandus |
op_relation |
Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology Norges forskningsråd: 257632 Norges forskningsråd: 262644 info:eu-repo/grantAgreement/RCN/FMETEKN/257632/Norway/Centre for an Energy Efficient and Competitive Industry for the Future/HighEFF/ info:eu-repo/grantAgreement/RCN/SFF/262644/Norway/Porous Media Laboratory, Porøse-medier laboratoriet/PoreLab/ Solberg SBB, Kjelstrup S, Magnanelli E, Kizilova N, Barroso, Acquarone M, Folkow P. Energy efficiency of respiration in mature and newborn reindeer. Journal of Comparative Physiology. B, Biochemical, Systemic, and Environmental Physiology. 2020 FRIDAID 1814249 https://doi.org/10.1007/s00360-020-01284-3 0174-1578 1432-136X https://hdl.handle.net/10037/18498 |
op_rights |
openAccess Copyright 2020 The Author(s) |
op_doi |
https://doi.org/10.1007/s00360-020-01284-3 |
container_title |
Journal of Comparative Physiology B |
container_volume |
190 |
container_issue |
4 |
container_start_page |
509 |
op_container_end_page |
520 |
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1766175749966921728 |