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1.
European J Med Plants ; 2014 Sept; 4(9): 998-1021
Artigo em Inglês | IMSEAR | ID: sea-164174

RESUMO

Aims: The agricultural frontier advances progressively on forested regions in Central Argentina, changing the landscape structure by extremely reducing the extension of native forests. In rural communities that are related to the forests, it is possible that severe changes in the landscapes can have an impact on the knowledge and uses of medicinal plants. The aim of this paper was to evidence some general patterns between the ethnobotanical information recorded in the Chaco region and some characteristics of the landscape. Specifically, we hypothesized that the knowledge on medicinal plants and their type (native or exotic) are related to different types of land use (i.e. different proportions of native forests). Place and Duration of Study: The study was performed 15 rural localities within the Chaco phytogeographic regionin Córdoba, Argentina, conducted between 2004 and 2012. Methodology: A total of 279 interviews were conducted. Plant species were identified according to their status (native or exotic), and a standardized proportion of exotic species was calculated for each site. The different types of land use and their proportions were estimated in 15 rural localities using satellite images. A Principal Component Analysis and a bivariate Spearman correlation were performed to analyze the associations among land-use types, the proportion of native forests and the knowledge of medicinal plants. Results: In general, people had known many native and exotic medicinal plants. Nevertheless, in those localities where landscapes have experienced higher deforestation rates, exotic medicinal plants are more available than native ones (cultivated in gardens and orchards). The tradition of maintaining exotic species in gardens may contribute to maintain the ethno-medical systems in regions of severe forest fragmentation. Conclusion: The disappearance of the forest showed a positive association with losses in the knowledge and use of native medicinal plants.

2.
Int. j. morphol ; 28(3): 685-696, Sept. 2010. ilus
Artigo em Espanhol | LILACS | ID: lil-577172

RESUMO

Se ha estudiado la prevalencia de 25 rasgos dentales en un grupo de cráneos adultos de aborígenes argentinos provenientes de la provincia de Salta, particularmente de la localidad llamada Pampa Grande. Se han analizando las arcadas superiores e inferiores de los mismos y la totalidad de las piezas dentales, excepto los terceros molares. El estudio se realizó sobre la dentición permanente de 66 cráneos adultos - maduros. Se establecieron las frecuencias absolutas y relativas de los rasgos estudiados.


Prevalence of 25 dental non-metric traits has been observed in a sample of 66 adult human skulls from Pampa Grande, Provincia de Salta, Argentina. All teeth from upper and lower arcades were analyzed, except the third molars. Frequency of traits observed was established.


Assuntos
Humanos , Adulto , História Antiga , Antropologia , Crânio/anatomia & histologia , Dente/anatomia & histologia , Indígenas Sul-Americanos , Arco Dental/anatomia & histologia , Argentina/etnologia , Dentição , Paleodontologia
3.
Int. j. morphol ; 27(4): 1063-1067, dic. 2009. ilus
Artigo em Inglês | LILACS | ID: lil-582053

RESUMO

The present study was carried out with a Calchaquí human Pre-Conquest sample from Northwest of Argentina, with the aim of exploring the dental morphology patterns in this population. This study was carried out by means of a macroscopic analysis in permanent dentitions of 7 skulls. 40 dental non-mtetric traits were recorded using the ASU Dental Anthropology System. Percentages >70 percent was found only in 4 traits. Calchaquí sample studied here is near to these values in shovel shape expression, but the results of this study suggest that a Sinodont pattern is no clear for this sample. To conclude, the present investigation provides additional, insightful elements for a description of biological factors in the process of dental morphologic diversification associated to regional and temporal ranges in this region of Argentina.


Estudiamos una muestra Pre-Conquista de Calchaquíes del Noroeste de Argentina, con el objetivo de explorar patrones de morfología dental presentes en esta población. Se realizó un análisis macroscópico en dentición permanente de 7 cráneos. 40 rasgos no-dentales fueron registrados utilizando el ASU Dental Antropology System. Porcentajes mayores al 70 por ciento fueron encontrados solamente en 4 rasgos. La muestra estudiada está cerca de valores en la expresión de la forma de pala, pero los resultados de este estudio sugieren que un patrón Sinodonte no es claro para esta muestra. Para concluir, la presente investigación brinda adicionalmente, profundos elementos para una descripción de los factores biológicos en el proceso de diversificación morfológica dental asociada a los rangos regionales y temporales en esta región de Argentina.


Assuntos
Antropologia Física/métodos , Antropometria/métodos , Dente/anatomia & histologia , Argentina/etnologia , Indígenas Sul-Americanos , Odontometria , Paleodontologia
4.
Rev. Fac. Odontol. Univ. Antioq ; 20(1): 43-48, dic. 2008. tab
Artigo em Espanhol | LILACS | ID: lil-535254

RESUMO

Introducción: por muchos años, los estudios antropológicos de muestras contemporáneas de subadultos han sugerido poco dimorfismo sexual expresado en los patrones morfológicos convencionales. El objetivo fue evaluar el dimorfismo sexual en una muestra de subadultos de la población de la ciudad de Córdoba, Argentina, usando dimensiones de la dentición decidua. Métodos: este artículo describe el dimorfismo dental en una muestra de 98 subadultos con dentición temporal provenientes de la Ciudad de Córdoba, Argentina. Se tomaron las medidas mesiodistal y bucolingual de la dentición temporal y los datos arrojados se procesaron con el índice Weighted Boundary (WB) y análisis discriminante stepwise. Resultados y conclusiones: se propone una técnica alternativa de determinación de sexo usando dentición temporal. Se seleccionaron nueve variables que expresaron diferencias altamente significativas; entre ellas la BL UM1 predice correctamente el sexo masculino en el 90,9% y el femenino en un 93,7% de los casos.


Introduction: for many years, anthropological studies of sub-adult contemporary samples suggest that a low sex dimorphism expressed in morphology patterns exist. The objective was to evaluate the sex dimorphism in a sample of sub adults from Cordoba City, Argentina using dental dimensions in deciduous teeth. Methods: this article describes the dental dimorphism in a sample of 98 sub-adults with deciduous dentition from Córdoba City, Argentina. Mesial -distal and buccal-lingual diameters of the deciduous dentition were taken and the data was analyzed with Weighted Boundary (WB) index and multivariate discriminate stepwise analysis. Results and conclusion: an alternative technique for gender determination using the deciduous dentition is proposed. Nine variables that expressed highly significant differences were selected, among them, BL UM1 correctly predicting male gender in 90.9% and female gender in 93.7% of the cases.


Assuntos
Humanos , Odontologia Legal , Dentição , Odontometria
5.
Rev. Estomat ; 15(2,supl): 38-41, dic. 2007. ilus, tab
Artigo em Espanhol | LILACS | ID: lil-565740

RESUMO

Este artículo presenta la distribución mundial del rasgo Metaconulo en los primeros molares superiores humanos. Su conocimiento poblacional nos ayuda a tener una visión más completa de la morfología dental humana y nos permite tener un referente geográfico y temporal de este rasgo.


This article shows the world wide distribution of Metaconule trait on first human upper molars. The populational record of this trait can help us to know better the human dental morphology, its geographic and microevolution of this dental trait.


Assuntos
Dente Canino , Dente Molar , Dentição , Dente Canino/fisiologia
6.
Rev. Fac. Odontol. Univ. Antioq ; 18(2): 17-28, jun. 2007. tab, graf
Artigo em Espanhol | LILACS | ID: lil-483883

RESUMO

Se ha estudiado la prevalencia de 25 rasgos dentales en un grupo de cráneos adultos prehispánicos conservados en el Museo de La Plata (Argentina). Se han analizando ambas arcadas y la totalidad de las piezas dentales de la dentición permanente excepto los terceros molares. El principal objetivo de este estudio es establecer el patrón morfológico dental según las frecuencias absolutas y relativas de los rasgos que caracterizan a la dentición de la serie araucanos. Se puede concluir, por las frecuencias de los rasgos analizados, que la muestra presenta similitudes con las poblaciones mongoloides sinodontes y se aleja de las poblaciones europeas y africanas.


The prevalence of 25 dental traits in a simple of pre-hispanic mature skulls belonging to Museo de La Plata (Agentina) were analyzed. Both arches, upper and lower, and all of the permanent dentition with the exception of the third molars were studied. The main objective of this study was to establish the morphological dental pattern according to absolute and relative frequency of the traits that characterize the dentitions of araucanos. It can be concluded, from the frecuency of the traits analyzed, that the sample presents similarities with momgoloid synodonts and it moves away from the European and African populations.


Assuntos
Humanos , Crânio/anatomia & histologia , Dentição Permanente , Dente/anatomia & histologia , Argentina , Indígenas Sul-Americanos , Paleodontologia
7.
Int. j. morphol ; 24(4): 705-712, Dec. 2006. ilus
Artigo em Espanhol | LILACS | ID: lil-626865

RESUMO

Se estudió la prevalencia de 25 rasgos dentales en un grupo de cráneos adultos prehispánicos, conservados en el Museo de La Plata (Argentina). Fueron analizadas ambas arcadas y la totalidad de las piezas dentales de la dentición permanente excepto los terceros molares. El principal objetivo de este estudio es establecer el patrón morfológico dental, según las frecuencias absolutas y relativas de los rasgos que caracterizan a la dentición de la serie Araucanos. Se puede concluir, por las frecuencias presentadas en los rasgos analizados, que la muestra presenta similitudes con las poblaciones mongoloides sinodontes y se aleja de las poblaciones europeas y africanas.


Presence of 25 dental traits in a sample of pre-conquest mature skulls kept in Museo de La Plata (Argentina) has been analyzed. Both arches upper and lower and all permanent dental pieces has been registred, except third molars. This study establish dental morphology patterns from a statistical point of view. We conluded that statistical frequences show high similarity with populations associated to mongoloid dental complex and move away of European and African populations.


Assuntos
Humanos , Dente/anatomia & histologia , Indígenas Sul-Americanos , Argentina , Modelos Estatísticos , História Antiga
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