A history of sex estimation of human skeletal remains

Author(s):  
Alexandra R. Klales ◽  
Holly Long ◽  
Cassidy Willsey
Author(s):  
Nicole A. Jastremski ◽  
Alejandra Sánchez-Polo

There is very little published literature regarding pre-Columbian burial practices that include human skeletal remains of the Napo culture (A.D. 1188–1480) in the western Amazon. Due to poor bone preservation and a history of looting practices, bioarchaeologists have rarely been able to collect, analyze, and interpret skeletal remains. Here, we provide the initial publication of a human skeleton from the Ecuadorian Amazon belonging to the Napo culture, preserved in a funerary urn acquired by the Museo de Arte Precolombino Casa del Alabado in Quito, Ecuador. This partial adult skeleton, radiocarbon dated to cal A.D. 1021–1155, consists primarily of broken long bones that indicate a robust individual with a height range of 160–170 cm. Although no trauma was observed, pathological conditions including cysts and likely Osgood-Schlatter’s disease were present and robust muscle insertions were noted. Taphonomic damage from termite osteophagy was inferred by the presence of round bore holes, cavities, tunneling, and cortical etching on the humerus, femur, and tibia. The urn itself is an anthropomorphic polychrome vessel that opens at the bottom, with six equally spaced holes to facilitate closure. The urn burial is similar to those of other Amazonian Polychrome Tradition cultures located to the east in Brazil.   Las prácticas funerarias precolombinas que incluyen restos humanos esqueléticos de la cultura Napo (1188–1480 D.C.), en el oeste de la Amazonía, han sido escasamente dadas a conocer en la literatura arqueológica. Debido a la pobre preservación de los huesos en ese medio y a una dilatada trayectoria de huaquerismo, desde la bioarqueología no ha sido posible recoger, analizar e interpretar restos humanos. Este artículo trata de solventar este vacío al atender desde una perspectiva bioarqueológica los restos óseos humanos provenientes de la Amazonía ecuatoriana pertenecientes a la cultura Napo, preservados en una urna funeraria que se conserva en el Museo de Arte Precolombino Casa del Alabado en Quito, Ecuador. Por un lado, este esqueleto parcial del que se conservan huesos largos fragmentados de un adulto fue datado mediante técnicas radiométricas entre 1021 y 1155 cal D.C.Habría sido una persona robusta, con una altura que oscilaría entre los 160 y 170 cm. Aunque no se ha observado ningún traumatismo, las patologías registradas incluyen quistes, como los debidos a la enfermedad de Osgood-Schlatter, e inserciones musculares robustas. Entre las afecciones tafonómicas más relevantes, se han apreciado las causadas por osteofagia de termitas, las cuales se infieren por la presencia de perforaciones redondas, cavidades, túneles y decapado cortical en húmero, fémur y tibia. Por otro lado, la urna es un ejemplar antropomorfo policromado de apertura basal con seis orificios espaciados que ayudaban a cerrarla. El entierro en urna es similar a aquellos otros de las culturas de la Tradición Polícroma Amazónica localizadas al este en Brasil.


2021 ◽  
Vol 34 (2) ◽  
Author(s):  
Sofia Fernandes Franco ◽  
Álvaro Azevedo ◽  
Vítor M. J. Matos ◽  
Daniel Mongiovi ◽  
Alexandra Teixeira

When encountering human skeletal remains in forensic contexts, one important step in the identification process is the estimation of sex, because it reduces the number of individuals to approximately one half. The pelvis and skull are considered the most efficient elements for this estimation; however, when unavailable, teeth may be used alternatively. This study aims to evaluate the usefulness of specific odontometric parameters from the mandibular first molar – mesiolingual-distobuccal distance (MLDB) and mesiobuccal-distolingual distance (MBDL)  - on sex estimation, in a sample composed from 135 mandibles selected from the Coimbra Identified Skeletal Collection (University of Coimbra). Since canines seem to be the most accurate teeth for sexual diagnosis, comparison of molars parameters and canines was performed, through measurement of their mesiodistal dimensions (MD). Statistical analysis showed sexual dimorphism in human first molars and determination of cut-off points assigned individuals to the male or female group. In the first molar, 60.7% and 65.2% of individuals were correctly classified by using MLDB and MBDL, respectively. Highest sexual diagnosis accuracy was achieved with Canine MD, reaching 74.6%. Our results indicate that although mandibular molar dimensions are useful for sex estimation, the canine should be prioritized when using the dentition to perform this task.


2008 ◽  
Vol 19 (2) ◽  
pp. 158-166 ◽  
Author(s):  
Ann H. Ross ◽  
Douglas H. Ubelaker ◽  
Sonia Guillén

Numerous studies have used the Howells Peruvian sample from the province of Yauyos as the morphological representative for South America. Although Peru has a rich history of investigations of human skeletal remains, biological distance studies based on craniometrics are limited to nonexistent. This study examines the morphological variation found in Peru using the Howells sample and three additional coastal (Makatampu and Ancón) and highland (Cajamarca) samples. The between-group variation and the degree of among-group differentiation were tested using a canonical discriminant analysis and Mahalanobis D², respectively. All groups are significantly different from the Yauyos sample and results indicate a closer morphological affinity between coastal groups and the two highland groups.


2020 ◽  
Vol 21 ◽  
pp. 142-154
Author(s):  
Justina Kozakaitė ◽  
Rūta Brindzaitė ◽  
Žydrūnė Miliauskienė ◽  
Aistis Žalnora ◽  
Rimantas Jankauskas

This article briefly presents the history of the human osteological collection stored at the Faculty of Medicine of Vilnius University. The birth of such collection can be traced back to the mid-19th century (1855) with the establishment of the Museum of Antiquities. Until the mid-20th century, human skeletal remains were gathered sporadically and selectively, by collecting either skulls or long bones. Since the late 20th century, the policy of selection has changed and nowadays the collection consists of systematically assembled anthropological material of scientific value. The assemblage currently comprises more than 9.000 skeletal remains dating back from the Mesolithic to the Late Modern Era.


2019 ◽  
Vol 7 (1) ◽  
pp. 60-67 ◽  
Author(s):  
Eleni-Anna Prevedorou ◽  
Jane E. Buikstra

ABSTRACTHuman skeletal remains constitute remarkably informative finds, both biologically and socioculturally. Their recovery, preservation, conservation, storage, and analysis are complex issues that need to be addressed within any given biocultural context. Given the country's geography and the long history of human occupation, Greek field archaeology is intense and ongoing, with both rescue and systematic excavations. Human burials are thus frequently encountered in excavations throughout Greece, resulting in the accumulation of osteological material. Some of the common challenges of bioarchaeological research in Greece consist of insufficient time, funding, and documentation in the field; unmet conservation needs and lack of storage space; as well as the long time-gap between excavation and analysis. Here, we give a brief overview of excavation, curation, and bioarchaeological practice within a Greek archaeological framework. We focus on the newly launched Phaleron Bioarchaeological Project on a vast necropolis from the wider Athens region in order to present our methodological approach. Finally, we consider the role of interdisciplinary collaboration in managing large-scale bioarchaeological projects and serving long-term heritage preservation goals.


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