Data on the angular characteristics of the spiral structure of the narwhal tusk
We studied morphometric features of the spiral structure of the narwhal tusk and show that angular parameters of the arcs of the cementum layer determine the pattern of the spiral structure of the tusk. Given the straight shape of the tusk and the inclined pattern of the arcs of the cementum layer,...
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ftpubmed:oai:pubmedcentral.nih.gov:6157606 2023-05-15T17:14:10+02:00 Data on the angular characteristics of the spiral structure of the narwhal tusk Kiladze, Andrey Bondoevich Chernova, Olga Fedorovna 2018-09-15 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6157606/ https://doi.org/10.1016/j.dib.2018.09.029 en eng Elsevier http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6157606/ http://dx.doi.org/10.1016/j.dib.2018.09.029 © 2018 The Authors http://creativecommons.org/licenses/by/4.0/ This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). CC-BY Agricultural and Biological Science Text 2018 ftpubmed https://doi.org/10.1016/j.dib.2018.09.029 2018-09-30T00:29:48Z We studied morphometric features of the spiral structure of the narwhal tusk and show that angular parameters of the arcs of the cementum layer determine the pattern of the spiral structure of the tusk. Given the straight shape of the tusk and the inclined pattern of the arcs of the cementum layer, the angular characteristics of the spiral were determined through the ratio of the legs of a right triangle, which was a basis for calculating the tangent of the angle of inclination. We found the angle of inclination through the arctangent. The tangent of the angle of inclination of the arcs of the spiral of the narwhal tusk is 2.39 ± 0.07, while the angle of inclination is 66.88 ± 0.61°. The indicators reflect the spiral morphology of the narwhal tusk. Researchers can use the data obtained in morphology practices, as well as in modeling the natural spiral structure in biomimetics. Text narwhal* PubMed Central (PMC) The Tusk ENVELOPE(-168.250,-168.250,-84.867,-84.867) Data in Brief 20 1700 1703 |
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PubMed Central (PMC) |
op_collection_id |
ftpubmed |
language |
English |
topic |
Agricultural and Biological Science |
spellingShingle |
Agricultural and Biological Science Kiladze, Andrey Bondoevich Chernova, Olga Fedorovna Data on the angular characteristics of the spiral structure of the narwhal tusk |
topic_facet |
Agricultural and Biological Science |
description |
We studied morphometric features of the spiral structure of the narwhal tusk and show that angular parameters of the arcs of the cementum layer determine the pattern of the spiral structure of the tusk. Given the straight shape of the tusk and the inclined pattern of the arcs of the cementum layer, the angular characteristics of the spiral were determined through the ratio of the legs of a right triangle, which was a basis for calculating the tangent of the angle of inclination. We found the angle of inclination through the arctangent. The tangent of the angle of inclination of the arcs of the spiral of the narwhal tusk is 2.39 ± 0.07, while the angle of inclination is 66.88 ± 0.61°. The indicators reflect the spiral morphology of the narwhal tusk. Researchers can use the data obtained in morphology practices, as well as in modeling the natural spiral structure in biomimetics. |
format |
Text |
author |
Kiladze, Andrey Bondoevich Chernova, Olga Fedorovna |
author_facet |
Kiladze, Andrey Bondoevich Chernova, Olga Fedorovna |
author_sort |
Kiladze, Andrey Bondoevich |
title |
Data on the angular characteristics of the spiral structure of the narwhal tusk |
title_short |
Data on the angular characteristics of the spiral structure of the narwhal tusk |
title_full |
Data on the angular characteristics of the spiral structure of the narwhal tusk |
title_fullStr |
Data on the angular characteristics of the spiral structure of the narwhal tusk |
title_full_unstemmed |
Data on the angular characteristics of the spiral structure of the narwhal tusk |
title_sort |
data on the angular characteristics of the spiral structure of the narwhal tusk |
publisher |
Elsevier |
publishDate |
2018 |
url |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6157606/ https://doi.org/10.1016/j.dib.2018.09.029 |
long_lat |
ENVELOPE(-168.250,-168.250,-84.867,-84.867) |
geographic |
The Tusk |
geographic_facet |
The Tusk |
genre |
narwhal* |
genre_facet |
narwhal* |
op_relation |
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6157606/ http://dx.doi.org/10.1016/j.dib.2018.09.029 |
op_rights |
© 2018 The Authors http://creativecommons.org/licenses/by/4.0/ This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). |
op_rightsnorm |
CC-BY |
op_doi |
https://doi.org/10.1016/j.dib.2018.09.029 |
container_title |
Data in Brief |
container_volume |
20 |
container_start_page |
1700 |
op_container_end_page |
1703 |
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1766071451660582912 |