Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 49 for “"Skulls"”.
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Cracked skulls and social liability : relating helmet safety messages to motorcycle riders
Grounded theory analysis, informed by a socio-cultural lens, was applied to the narratives of eighteen motorcycle riders in order to understand, from the rider’s perspective, receptivity to warning messages regarding motorcycle helmet use. This study relied upon narrative analysis to identify …
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THE EVOLUTIONARY DEVELOPMENT OF CROWN GALLOANSERAE SKULLS: TRACKING CHANGES IN GALLIFORM AND ANSERIFORM CRANIAL DEVELOPMENT
… have focused on the development of Galloanserae skulls. Galloanserae is a clade of birds that includes Galliformes (such as chickens and quails), Anseriformes (such as ducks and geese), and their close relatives. Galloanserae are distinctive in their very close relatedness and very distinct skull …
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An evaluation of computer assisted skull re-assembly using hand held and automated laser scanners
… scanner (Minolta by Hyperfocal) to re-assemble 5 skulls using a computer modelling program (Freeform Modelling). Hand held scanning, model production and quality are assessed; skull restoration accuracy is described and quantified by a reverse engineering software program (Geomagic Qualify) which …
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Sex and ancestry estimation using computed tomography: a comparison of the reliability of digital versus physical data collection
… (CT) scans are increasingly used in place of skulls in research and forensic casework. Researchers work under the assumption that the dry skull-to-CT scan ratio is one-to-one; however, research on the accuracy of CT scans is sparse. In this study, eight skulls from the Boston University …
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Investigating Sexual Dimorphism in Ceratopsid Horncores
… investigation of sexual dimorphism in dinosaurs. Skulls of these exemplar taxa were measured in museum collections, and methods of analysing morphological variation were tested for their ability to demonstrate sexual dimorphism in their horns and horncores. Skulls and isolated horncores of …
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The Taxonomic Status of Coyotes From Western South Dakota
… Dakota from September 1976 through January 1978. Skulls of 289 wild canids were cleaned; of these, 167 skulls from adults of known sex were suitable for analysis. Seven cranial and tooth measurements were taken on each skull. Discriminant function analysis and canonical variable analysis were used …
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Geographic variation in the phenotype of an African horseshoe bat species, Rhinolophus damarensis, (Chiroptera: Rhinolophidae)
… traits and phenotypic characters including skulls, wings and echolocation (Chapter 3) and three dimensional (3D) scanned skulls and mandibles (Chapter 4). The main objective (Chapter 3 and Chapter 4) was to test whether previously reported genetic divergence between the two R. damarensis …
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Plaster, as a vital material: The agency of plaster in the curation of the Çatalhöyük skull
The discovery of Neolithic plastered skulls has attracted widespread interest but there has been a disproportionate focus on the construction and meaning of the skulls, with little regard paid to the material, plaster, itself. In 2004, in Çatalhöyük, a plastered skull was excavated, which had been …
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Investigating the biomechanics of a lizard skull using advanced computer modelling techniques with experimental validation
Lizard skulls vary greatly in shape and construction, and radical changes in skull form during evolution have made this an intriguing subject of research. The mechanics of feeding have surely been affected by this change in skull form, but whether this change in feeding is the driving force behind …
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A survey on the status of the coyote (Canis Latrans) in Georgia
… from eastern Texas. Attempts to classify the skulls to the subspecies level was not feasible because of lack of comparative information. The analysis of skulls did show that specimens from Georgia seem more properly referable to coyotes, although some dental characteristics indicated a …
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Structural Behavior of the Maxilla Under Lateral Load Application
… be determined. Strain gauges were placed in dry skulls and lateral loads were applied in five different anterior-posterior positions. The results show a highly significant position by gauge interaction (F= 3.467, P. < .005). A loading position at approximately the mesial of the first molar …
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The effect of single and fractionated dose radiation on craniofacial growth in rats
… lateral cephalographs. Post-mortem mature skulls were measured by metrographic techniques. Both single and fractionated dose irradiation significantly affected body weight, while only high single dose irradiation influenced body length. Longitudinal data derived from cephalometric …
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A mastofauna do estado do Rio de Janeiro, com especial referência à ordem Polyprotodontia (Marsupiais)
… methods based on measurements of the marsupial skulls in the Museu Nacional collection, Rio de Janeiro. These analyses provide important results for the study of within-species variation and the formation of biogeographical hypotheses.
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Lucidity
… with a quirky Women and Swarovski encrusted skulls, which matter-of-factly lists artists (all of whom happen to be women) whose works I find particularly compelling; and also notes on general trends in art I find interesting in a much less obvious manner. The artwork in Lucidity attempts to …
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Panorex Interpretation of the Mesio-Distal Axial Inclinations and Mesio-Distal Diameters of the Posterior Teeth
Sixteen adult human skulls with "normal occlusion" were examined with the Panorex to determine its ability to record the mesio-distal axial inclinations and the mesio-distal diameters of the posterior teeth. This study indicates that the Panorex can be used as a qualitative and quantitative …
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Contribuição ao estudo do crânio de Placosoma Tschudi, 1847 (Sauria: Teiidae: Gymnophthalminae)
… Van Dyke (1985), for clearing and staining the skulls, as well as other techniques. Detailed descriptions of cranial osteology of Placosoma are here emphasized, and measures of total length and width of the cranium are presented. Some cranial muscles and their bone insertion are mentioned. In …
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Bat Skull Evolution: the Impact of Echolocation
… environmental and behavioural factors. Skulls of echolocating species, such as bats, also face the challenge of optimizing sound emission and propagation. A strong association between bat skull morphology and feeding behaviour has been suggested previously (in particular for the …
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Performing folk punk : agonistic performances of intersectionality
… views. By considering the performances of Inky Skulls, Pussy Riot!, and Against Me!, this study looks to the ways in which these folk punk exemplars highlight elements of the radical politics of the American left and in the history of folk and punk music. In particular, this project considers …
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A Preliminary Investigation Comparing Craniofacial Metric Measurements and 3D Virtual Measurements
… a Polhemus Fast Scan Scorpion scanner to scan 8 skulls and evaluated the standard 24 metric measurements in Delta analysis software in comparison to standard metric measurements. The scanned measurements were then compared to the standard metric measurements using the same landmarks. Of the …
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On The Cranial Osteology of <em>Eremiascincus</em> and Its Use For Identification.
… and how it fits into a model of skink evolution. Skulls of <em>Eremiascincus</em> were examined within five separate contexts: 1) a description of the cranial osteology, 2) a qualitative comparison of individual cranial elements of <em>Eremiascincus</em> to closely related <em>Ctenotus</em>, 3) a …
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