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Distinct growth of the nasomaxillary complex in Au. sediba

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Distinct growth of the nasomaxillary complex in Au. sediba. / Lacruz, Rodrigo S.; Bromage, Timothy G.; O'Higgins, Paul; Toro-Ibacache, Viviana; Warshaw, Johanna; Berger, Lee R.

In: Scientific Reports, Vol. 5, 15175, 15.10.2015, p. 1-7.

Research output: Contribution to journalArticle

Harvard

Lacruz, RS, Bromage, TG, O'Higgins, P, Toro-Ibacache, V, Warshaw, J & Berger, LR 2015, 'Distinct growth of the nasomaxillary complex in Au. sediba', Scientific Reports, vol. 5, 15175, pp. 1-7. https://doi.org/10.1038/srep15175

APA

Lacruz, R. S., Bromage, T. G., O'Higgins, P., Toro-Ibacache, V., Warshaw, J., & Berger, L. R. (2015). Distinct growth of the nasomaxillary complex in Au. sediba. Scientific Reports, 5, 1-7. [15175]. https://doi.org/10.1038/srep15175

Vancouver

Lacruz RS, Bromage TG, O'Higgins P, Toro-Ibacache V, Warshaw J, Berger LR. Distinct growth of the nasomaxillary complex in Au. sediba. Scientific Reports. 2015 Oct 15;5:1-7. 15175. https://doi.org/10.1038/srep15175

Author

Lacruz, Rodrigo S. ; Bromage, Timothy G. ; O'Higgins, Paul ; Toro-Ibacache, Viviana ; Warshaw, Johanna ; Berger, Lee R. / Distinct growth of the nasomaxillary complex in Au. sediba. In: Scientific Reports. 2015 ; Vol. 5. pp. 1-7.

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@article{2fa7f486036048f9a7d14b796585d0cc,
title = "Distinct growth of the nasomaxillary complex in Au. sediba",
abstract = "Studies of facial ontogeny in immature hominins have contributed significantly to understanding the evolution of human growth and development. The recently discovered hominin species Autralopithecus sediba is represented by a well-preserved and nearly complete facial skeleton of a juvenile (MH1) which shows a derived facial anatomy. We examined MH1 using high radiation synchrotron to interpret features of the oronasal complex pertinent to facial growth. We also analyzed bone surface microanatomy to identify and map fields of bone deposition and bone resorption, which affect the development of the facial skeleton. The oronasal anatomy (premaxilla-palate-vomer architecture) is similar to other Australopithecus species. However surface growth remodeling of the midface (nasomaxillary complex) differs markedly from Australopithecus, Paranthropus, early Homo and from KNM-WT 15000 (H. erectus/ergaster) showing a distinct distribution of vertically disposed alternating depository and resorptive fields in relation to anterior dental roots and the subnasal region. The ontogeny of the MH1 midface superficially resembles some H. sapiens in the distribution of remodeling fields. The facial growth of MH1 appears unique among early hominins representing an evolutionary modification in facial ontogeny at 1.9 my, or to changes in masticatory system loading associated with diet.",
author = "Lacruz, {Rodrigo S.} and Bromage, {Timothy G.} and Paul O'Higgins and Viviana Toro-Ibacache and Johanna Warshaw and Berger, {Lee R.}",
year = "2015",
month = "10",
day = "15",
doi = "10.1038/srep15175",
language = "English",
volume = "5",
pages = "1--7",
journal = "Scientific Reports",
issn = "2045-2322",
publisher = "Springer Nature",

}

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TY - JOUR

T1 - Distinct growth of the nasomaxillary complex in Au. sediba

AU - Lacruz, Rodrigo S.

AU - Bromage, Timothy G.

AU - O'Higgins, Paul

AU - Toro-Ibacache, Viviana

AU - Warshaw, Johanna

AU - Berger, Lee R.

PY - 2015/10/15

Y1 - 2015/10/15

N2 - Studies of facial ontogeny in immature hominins have contributed significantly to understanding the evolution of human growth and development. The recently discovered hominin species Autralopithecus sediba is represented by a well-preserved and nearly complete facial skeleton of a juvenile (MH1) which shows a derived facial anatomy. We examined MH1 using high radiation synchrotron to interpret features of the oronasal complex pertinent to facial growth. We also analyzed bone surface microanatomy to identify and map fields of bone deposition and bone resorption, which affect the development of the facial skeleton. The oronasal anatomy (premaxilla-palate-vomer architecture) is similar to other Australopithecus species. However surface growth remodeling of the midface (nasomaxillary complex) differs markedly from Australopithecus, Paranthropus, early Homo and from KNM-WT 15000 (H. erectus/ergaster) showing a distinct distribution of vertically disposed alternating depository and resorptive fields in relation to anterior dental roots and the subnasal region. The ontogeny of the MH1 midface superficially resembles some H. sapiens in the distribution of remodeling fields. The facial growth of MH1 appears unique among early hominins representing an evolutionary modification in facial ontogeny at 1.9 my, or to changes in masticatory system loading associated with diet.

AB - Studies of facial ontogeny in immature hominins have contributed significantly to understanding the evolution of human growth and development. The recently discovered hominin species Autralopithecus sediba is represented by a well-preserved and nearly complete facial skeleton of a juvenile (MH1) which shows a derived facial anatomy. We examined MH1 using high radiation synchrotron to interpret features of the oronasal complex pertinent to facial growth. We also analyzed bone surface microanatomy to identify and map fields of bone deposition and bone resorption, which affect the development of the facial skeleton. The oronasal anatomy (premaxilla-palate-vomer architecture) is similar to other Australopithecus species. However surface growth remodeling of the midface (nasomaxillary complex) differs markedly from Australopithecus, Paranthropus, early Homo and from KNM-WT 15000 (H. erectus/ergaster) showing a distinct distribution of vertically disposed alternating depository and resorptive fields in relation to anterior dental roots and the subnasal region. The ontogeny of the MH1 midface superficially resembles some H. sapiens in the distribution of remodeling fields. The facial growth of MH1 appears unique among early hominins representing an evolutionary modification in facial ontogeny at 1.9 my, or to changes in masticatory system loading associated with diet.

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U2 - 10.1038/srep15175

DO - 10.1038/srep15175

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