Reconstructing infant mortality in Iberian Iron Age populations from tooth histology
The Neonatal Line (NNL) of the tooth serves as a unique identifier, allowing us to distinguish whether a child survived birth. This line is essential for assessing the age at death of infants from skeletal remains found in archaeological contexts. Our primary objective is to accurately determine the...
| Autores: | , , , , , , , , , , , |
|---|---|
| Tipo de recurso: | artículo |
| Fecha de publicación: | 2024 |
| País: | España |
| Institución: | Universitat Autònoma de Barcelona |
| Repositorio: | Dipòsit Digital de Documents de la UAB |
| Idioma: | inglés |
| OAI Identifier: | oai:ddd.uab.cat:304473 |
| Acceso en línea: | https://ddd.uab.cat/record/304473 https://dx.doi.org/urn:doi:10.1016/j.jas.2024.106088 |
| Access Level: | acceso abierto |
| Palabra clave: | Crown formation time Deciduous teeth Iberian culture Neonatal line Synchrotron X-ray fluorescence SDG 3 - Good Health and Well-being |
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Reconstructing infant mortality in Iberian Iron Age populations from tooth histologyMartirosyan, Ani|||0000-0001-6948-8487Sandoval-Ávila, Carolina|||0000-0001-7678-1390Irurita Olivares, Javier|||0000-0003-1676-9773Juanhuix, Judith|||0000-0003-3728-8215Molist, Núria|||0000-0003-2048-6987Mestres Santacreu, Imma|||0000-0003-4527-2678Durán, Montserrat|||0000-0002-8098-8156Alonso Martínez, Natàlia|||0000-0003-4081-0262Santos, Cristina|||0000-0002-7014-8014Malgosa Morera, Assumpció|||0000-0003-1723-3671Molera, Judith|||0000-0003-3116-0456Jordana Comín, Xavier|||0000-0002-6016-6630Crown formation timeDeciduous teethIberian cultureNeonatal lineSynchrotron X-ray fluorescenceSDG 3 - Good Health and Well-beingThe Neonatal Line (NNL) of the tooth serves as a unique identifier, allowing us to distinguish whether a child survived birth. This line is essential for assessing the age at death of infants from skeletal remains found in archaeological contexts. Our primary objective is to accurately determine the age of infant intramural inhumations from the Iberian Iron Age (8th-1st centuries BC) by analyzing histological sections of tooth germs. Due to their fragility and high susceptibility to taphonomic factors, these samples are challenging to handle. By accurately assessing their age, we aim to classify individuals into various stages of infant mortality, which will help reconstruct infant mortality patterns in these populations. We analyze unerupted and still-forming crown deciduous teeth from 45 infant burials. By calculating Crown Formation Time (CFT) and identifying the NNL, we determine both gestational and chronological ages. We further validate the reliability of NNL identification through Synchrotron X-ray Fluorescence (SXRF) elemental analysis (Ca, Zn, Cu) on two contemporary and two archaeological samples. Our histological study reveals the chronological age of 38 infants from Iberian settlements, ranging from the 30th week of gestation to the 2nd postnatal month. The age distribution shows an attritional mortality pattern, with nearly half experiencing perinatal mortality, including preterm births. These findings support the hypothesis that mortality was primarily attributed to natural causes. Our research enhances the understanding of infant life history events in prehistory by combining histological analysis of tooth NNL and CFT, highlighting the technique's potential and limitations. 22024-01-0120242024-01-01Articlehttp://purl.org/coar/resource_type/c_6501VoRhttp://purl.org/coar/version/c_970fb48d4fbd8a85info:eu-repo/semantics/articleapplication/pdfhttps://ddd.uab.cat/record/304473https://dx.doi.org/urn:doi:10.1016/j.jas.2024.106088reponame:Dipòsit Digital de Documents de la UABinstname:Universitat Autònoma de BarcelonaInglésengAgencia Estatal de Investigación https://doi.org/10.13039/501100011033 PGC2018-096666-B-I00Agència de Gestió d'Ajuts Universitaris i de Recerca https://doi.org/10.13039/501100003030 2021/SGR-00186open accesshttp://purl.org/coar/access_right/c_abf2Aquest document està subjecte a una llicència d'ús Creative Commons. Es permet la reproducció total o parcial, la distribució, la comunicació pública de l'obra i la creació d'obres derivades, sempre que no sigui amb finalitats comercials, i sempre que es reconegui l'autoria de l'obra original.https://creativecommons.org/licenses/by-nc/4.0/info:eu-repo/semantics/openAccessoai:ddd.uab.cat:3044732026-06-06T12:50:31Z |
| dc.title.none.fl_str_mv |
Reconstructing infant mortality in Iberian Iron Age populations from tooth histology |
| title |
Reconstructing infant mortality in Iberian Iron Age populations from tooth histology |
| spellingShingle |
Reconstructing infant mortality in Iberian Iron Age populations from tooth histology Martirosyan, Ani|||0000-0001-6948-8487 Crown formation time Deciduous teeth Iberian culture Neonatal line Synchrotron X-ray fluorescence SDG 3 - Good Health and Well-being |
| title_short |
Reconstructing infant mortality in Iberian Iron Age populations from tooth histology |
| title_full |
Reconstructing infant mortality in Iberian Iron Age populations from tooth histology |
| title_fullStr |
Reconstructing infant mortality in Iberian Iron Age populations from tooth histology |
| title_full_unstemmed |
Reconstructing infant mortality in Iberian Iron Age populations from tooth histology |
| title_sort |
Reconstructing infant mortality in Iberian Iron Age populations from tooth histology |
| dc.creator.none.fl_str_mv |
Martirosyan, Ani|||0000-0001-6948-8487 Sandoval-Ávila, Carolina|||0000-0001-7678-1390 Irurita Olivares, Javier|||0000-0003-1676-9773 Juanhuix, Judith|||0000-0003-3728-8215 Molist, Núria|||0000-0003-2048-6987 Mestres Santacreu, Imma|||0000-0003-4527-2678 Durán, Montserrat|||0000-0002-8098-8156 Alonso Martínez, Natàlia|||0000-0003-4081-0262 Santos, Cristina|||0000-0002-7014-8014 Malgosa Morera, Assumpció|||0000-0003-1723-3671 Molera, Judith|||0000-0003-3116-0456 Jordana Comín, Xavier|||0000-0002-6016-6630 |
| author |
Martirosyan, Ani|||0000-0001-6948-8487 |
| author_facet |
Martirosyan, Ani|||0000-0001-6948-8487 Sandoval-Ávila, Carolina|||0000-0001-7678-1390 Irurita Olivares, Javier|||0000-0003-1676-9773 Juanhuix, Judith|||0000-0003-3728-8215 Molist, Núria|||0000-0003-2048-6987 Mestres Santacreu, Imma|||0000-0003-4527-2678 Durán, Montserrat|||0000-0002-8098-8156 Alonso Martínez, Natàlia|||0000-0003-4081-0262 Santos, Cristina|||0000-0002-7014-8014 Malgosa Morera, Assumpció|||0000-0003-1723-3671 Molera, Judith|||0000-0003-3116-0456 Jordana Comín, Xavier|||0000-0002-6016-6630 |
| author_role |
author |
| author2 |
Sandoval-Ávila, Carolina|||0000-0001-7678-1390 Irurita Olivares, Javier|||0000-0003-1676-9773 Juanhuix, Judith|||0000-0003-3728-8215 Molist, Núria|||0000-0003-2048-6987 Mestres Santacreu, Imma|||0000-0003-4527-2678 Durán, Montserrat|||0000-0002-8098-8156 Alonso Martínez, Natàlia|||0000-0003-4081-0262 Santos, Cristina|||0000-0002-7014-8014 Malgosa Morera, Assumpció|||0000-0003-1723-3671 Molera, Judith|||0000-0003-3116-0456 Jordana Comín, Xavier|||0000-0002-6016-6630 |
| author2_role |
author author author author author author author author author author author |
| dc.subject.none.fl_str_mv |
Crown formation time Deciduous teeth Iberian culture Neonatal line Synchrotron X-ray fluorescence SDG 3 - Good Health and Well-being |
| topic |
Crown formation time Deciduous teeth Iberian culture Neonatal line Synchrotron X-ray fluorescence SDG 3 - Good Health and Well-being |
| description |
The Neonatal Line (NNL) of the tooth serves as a unique identifier, allowing us to distinguish whether a child survived birth. This line is essential for assessing the age at death of infants from skeletal remains found in archaeological contexts. Our primary objective is to accurately determine the age of infant intramural inhumations from the Iberian Iron Age (8th-1st centuries BC) by analyzing histological sections of tooth germs. Due to their fragility and high susceptibility to taphonomic factors, these samples are challenging to handle. By accurately assessing their age, we aim to classify individuals into various stages of infant mortality, which will help reconstruct infant mortality patterns in these populations. We analyze unerupted and still-forming crown deciduous teeth from 45 infant burials. By calculating Crown Formation Time (CFT) and identifying the NNL, we determine both gestational and chronological ages. We further validate the reliability of NNL identification through Synchrotron X-ray Fluorescence (SXRF) elemental analysis (Ca, Zn, Cu) on two contemporary and two archaeological samples. Our histological study reveals the chronological age of 38 infants from Iberian settlements, ranging from the 30th week of gestation to the 2nd postnatal month. The age distribution shows an attritional mortality pattern, with nearly half experiencing perinatal mortality, including preterm births. These findings support the hypothesis that mortality was primarily attributed to natural causes. Our research enhances the understanding of infant life history events in prehistory by combining histological analysis of tooth NNL and CFT, highlighting the technique's potential and limitations. |
| publishDate |
2024 |
| dc.date.none.fl_str_mv |
2 2024-01-01 2024 2024-01-01 |
| dc.type.none.fl_str_mv |
Article http://purl.org/coar/resource_type/c_6501 VoR http://purl.org/coar/version/c_970fb48d4fbd8a85 |
| dc.type.openaire.fl_str_mv |
info:eu-repo/semantics/article |
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article |
| dc.identifier.none.fl_str_mv |
https://ddd.uab.cat/record/304473 https://dx.doi.org/urn:doi:10.1016/j.jas.2024.106088 |
| url |
https://ddd.uab.cat/record/304473 https://dx.doi.org/urn:doi:10.1016/j.jas.2024.106088 |
| dc.language.none.fl_str_mv |
Inglés eng |
| language_invalid_str_mv |
Inglés |
| language |
eng |
| dc.relation.none.fl_str_mv |
Agencia Estatal de Investigación https://doi.org/10.13039/501100011033 PGC2018-096666-B-I00 Agència de Gestió d'Ajuts Universitaris i de Recerca https://doi.org/10.13039/501100003030 2021/SGR-00186 |
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open access http://purl.org/coar/access_right/c_abf2 https://creativecommons.org/licenses/by-nc/4.0/ |
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info:eu-repo/semantics/openAccess |
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open access http://purl.org/coar/access_right/c_abf2 https://creativecommons.org/licenses/by-nc/4.0/ |
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openAccess |
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application/pdf |
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