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The application of histomorphometry to puberty in the archaeological record

Dolding-Smith, Jessica, Pitfield, Rosie, Deter, Chris, Mahoney, Patrick (2019) The application of histomorphometry to puberty in the archaeological record. In: American Journal of Physical Anthropology. Program of the 88th Annual Meeting of the American Association of Physical Anthropologists. 168 (S68). p. 60. Wiley (doi:10.1002/ajpa.23802) (KAR id:76213)

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Abstract

Adolescence is marked by the onset of puberty whereby hormonal changes cause the body to mature into its reproductive capacity, adult body size, and behavioural maturity. Specific bony secondary sexual characteristics develop during the six stages of puberty: initiation, acceleration, peak height velocity, deceleration, maturity, and completion. Macroscopic skeletal indicators of puberty provide one way to estimate the stage of puberty attained at the time of death. This study determines if underlying microscopic changes in bone growth are linked to the macroscopic skeletal stages of puberty. Age-at-death was reconstructed from dental formation for 40 juvenile skeletons from Blackgate, Newcastle (n=17), Fishergate Barbican, York (n=13), and St Gregory’s Priory, Canterbury (n=10). Pubertal stage was estimated from the hamate hook, distal hand phalanges, distal radius, proximal ulna, iliac crest, cervical vertebrae, and mandibular canine root. Microscopic features of bone remodelling were measured from previously produced histological thin-sections of the anterior humerus mid-shaft (n=40) using CellSens analysis software. Secondary osteon density, size, and shape parameters were measured. Analyses revealed a curvilinear relationship between puberty stage and bone remodelling. Osteon population density increases during the acceleration phase of puberty and then tapers off throughout subsequent puberty stages. This indicates that pubertal stage relates to bone remodelling, with the fastest remodelling being associated with the most rapid puberty stage. This is the first study to explore the possible link between puberty and microstructural bone growth.

Item Type: Conference or workshop item (Poster)
DOI/Identification number: 10.1002/ajpa.23802
Divisions: Faculties > Social Sciences > School of Anthropology and Conservation > Biological Anthropology
Depositing User: Patrick Mahoney
Date Deposited: 05 Sep 2019 13:48 UTC
Last Modified: 23 Jan 2020 04:16 UTC
Resource URI: https://kar.kent.ac.uk/id/eprint/76213 (The current URI for this page, for reference purposes)
Mahoney, Patrick: https://orcid.org/0000-0002-2715-3096
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