نتایج جستجو برای: cranial morphology
تعداد نتایج: 170838 فیلتر نتایج به سال:
In spite of a long history of research in craniofacial biology the extent to which developmental cascades between the brain, the cranial base, and the face infl uences the evolution, development and variation of the skull, is not clear. is paper discusses aspects of these problems in terms a “systemsmodel” of morphological integration and modularity of human craniofacial morphology. is model pr...
The paper presents abnormal craniofacial morphology of an adult male afflicted with premature closure of the sagittal suture. The skull is well preserved and there are no visible traits of surgical management which would be aimed to correctcranial deformation. In consequence of the restricted cranial development, some diameters of the skull were significantly altered. Basically, cranial vault m...
To assess the clinical utility of assessing embryonic brain and cranium by ultrasound at 7–10 weeks gestation. 1000 consecutive cases clinically indicated scans 7-10 were evaluated prospectively to evaluating cranial morphology in with bleeding, pelvic pain, previous pregnancy losses, those requesting for reassurance or an early scan. All embryos assessed transabdominal scans, supplemented tran...
The aim of the study was to assess the normal and synostosed coronal cranial sutures morphology at an ultrastructural level. Different operative specimens of human coronal sutures were collected. Three-dimensional reconstruction of the microcomputed tomography (micro-CT) slices were obtained and compared with the representative histologic sections. The micro-CT scanning provides a three-dimensi...
This research examines the pattern of secular change in the cranial morphology of two populations experiencing the epidemiological transition associated with decreased mortality rates in children, followed by declines in infant mortality and subsequent increases in adult longevity. The two samples examined in this study come from US and Portuguese individuals. The epidemiological transition occ...
OBJECTIVE The lack of adequate means to objectively characterize cranial shape contributes to ongoing controversies in the surgical management of craniosynostosis. Cranial shape analysis must address relevant clinical questions objectively and thoroughly and must be broadly applicable across the spectrum of normal and abnormal. Herein, we demonstrate and statistically validate an automated comp...
BACKGROUND Craniofacial morphology of sheep with phenotypically observed mandibular distocclusion was analysed using the multivariate techniques principle component analysis and cluster analysis in order to test whether different types of craniofacial malformations can be distinguished. RESULTS The results showed 8 principal components with a variance of 82.72% in the database. The method cre...
Morphological change in cranial shape following the transition to agriculture across western Eurasia
The Neolithic transition brought about fundamental social, dietary and behavioural changes in human populations, which, in turn, impacted skeletal morphology. Crania are shaped through diverse genetic, ontogenetic and environmental factors, reflecting various elements of an individual's life. To determine the transition's effect on cranial morphology, we investigated its potential impact on the...
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