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 55 for “"vertebra"”.
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Detection-based 3D-2D vertebra matching
The student, Hanchao Yu, submitted this Thesis for approval on 2019-10-09 at 15:07.
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Comparative Morphometrics of the Sacral Vertebra in <em>Aneides</em> (Caudata: Plethodontidae).
… will be visible in the osteology of the sacral vertebra either by qualitative analysis or linear and morphometric analysis in comparison with other plethodontid salamanders. This study demonstrates that while qualitative and quantitative analyses are successful at making genus-level distinctions …
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Ancestral and Sex Estimation Using E.A. Marino’s Analysis of the First Cervical Vertebra Applied to Three Modern Groups
… the superior and inferior articular surfaces and vertebral foramen of the atlas from individuals of European and African descent from the Terry and Hamann-Todd collections. This study applies Marino’s method to post-1950s individuals who are self-classified as Hispanic, Euro-American, and, …
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Ancestral and Sex Estimation Using E.A. Marino’s Analysis of the First Cervical Vertebra Applied to Three Modern Groups
… the superior and inferior articular surfaces and vertebral foramen of the atlas from individuals of European and African descent from the Terry and Hamann-Todd collections. This study applies Marino’s method to post-1950s individuals who are self-classified as Hispanic, Euro-American, and, …
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Investigating non-canonical vertebral development in the zebrafish model system
A segmented vertebral column is one of the major innovations vertebrates. In mice and chicks – amniotes – a subpopulation of the somites, the sclerotome, is sole source of vertebral tissue. It is unclear, however, how applicable this amniote-based ‘canonical’ mechanism is across the vertebrates. In …
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Put Your Back Into It: A Structural and Mechanical Characterization of Iliac Crest and Cervical Spine Autograft for ACDF Surgeries
… iliac crest to induce fusion between neighboring vertebrae following the procedure. The iliac crest is widely considered the gold-standard autograft for ACDF procedures due to its osteoinductive, osteoconductive, and osteointegrative properties. However, harvesting from a second surgical site, as …
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The effect of vasodilatation as obtained by lumbar sympathectomy on the growth of bones in normal young animals
… process has been observed in the upper cervical vertebrae in association with acute inflammatory lesions of the pharnyx and of the glands in the neck which may lead to osteoporosis of such a degree as to produce spontaneous fracture of a vertebra.
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A distributed electromechanical spine for bio-inspired robots
… backdrivability, and backlash issue. Moreover, a vertebra in the spine does not fully rotate like a conventional motor. This thesis introduces a distributed and scalable two-dimensional electromechanical spine for bio-inspired robots. It proposes an approach that mimics an actual animal spinal …
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CSPINE (Correlating Soft tissue Projections in Injured NEcks) A descriptive study on measuring prevertebral soft tissue thickness as a ratio of vertebral body width in paediatric cervical spine trauma
… In paediatric trauma, measured increase in prevertebral soft tissue thickness on a lateral cervical spine (C-spine) X-ray is interpreted as swelling, raising suspicion of C-spine injury1,2 . Defining swelling in absolute measurements is cumbersome – children’s sizes vary. Evidence for …
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Taxonomy of the Neotropical Thorny Catfishes (Siluriformes: Doradidae) and Revision of Genus Leptodoras
… distance ≤41% of standard length, first vertebra conspicuously expanded, maxillary edentulous, and average sum of midlateral scutes ≥70. This relationship and those among species of Leptodoras suggest a gradual evolution from a midwater or hyperbenthic form to a truly benthic, …
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Taxonomic and palaeobiological assessment of the South African mosasaurids
… and a more recently discovered isolated partial vertebra from St Lucia. Some research has been done on the material, but there is still uncertainty concerning their relationships and taxonomy. This research aims to provide a taxonomic assessment of all the SA mosasaurid material to better …
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Non-Ranid Anurans of the Mio-Pliocene Gray Fossil Site, Tennessee
… maxilla, frontoparietal, and last sacral vertebra. Anurans identified include <i>Scaphiopus wardorum</i>(extinct spadefoot toad), <i>Bufo terrestris</i>(southern toad), <i>B.</i> cf. <i>B. marinus</i>(giant neotropical toad), three morphotypes of <i>Hyla</i>(tree frogs), and …
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Biomechanical and Finite Element Analyses of Alternative Cements for use in Vertebral Kyphoplasty
A vertebral compression fracture occurs when the vertebral body of the spine collapses due to osteoporosis or trauma. Depending on the degree of osteoporosis, the forces required to induce vertebral compression fracture can vary while the forces required to induce fractures via trauma are large. …
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Impecable por gracia. Estudio y edición crítica del certamen poético organizado por la Hermandad de los Nazarenos en defensa de la Inmaculada Concepción (Sevilla, 1615)
… literarios, con especial protagonismo del que vertebra nuestra investigación, pero también de otros anteriores y posteriores vinculados con él.
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Non-invasive interventions top reduce low back dysfunction
… finding the reactive force at the fifth lumbar vertebra (L5) versus the inclination of the back from the vertical. Also, the ideal position of the cushion support while sitting on the chair is investigated.
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Effects of Chemotherapy on Bone Mineral Density in a Post-Mortem Context
… The distal left tibia and first lumbar vertebra were scanned using microCT technology and the images were processed to determine bone mineral density, trabecular thickness, and cortical thickness for each element. There is no statistically significant difference between the trabecular …
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Comparison of Pharmacologic Treatment on Bone Mineral Density in Patients with Osteopenia
… gained significantly higher BMD in vertebra (p=0.04). The vertebral bone density decreased in no treatment and calcium and vitamin D treatment group, whereas it increased in patients treated with bisphosphonate (p<0.01). There were no significant percent changes in femur neck bone …
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Sexual dimorphism of the thoracic vertebrae in a modern Cretan population: a comparison of the individual vertebrae in terms of accuracy in estimating sex.
… concerned with sexual dimorphism in the human vertebrae in general, yet few are concerned specifically with the thoracic vertebrae. This thesis examines the presence and extent of sexual dimorphism in the thoracic vertebrae of a documented Greek population from the island of Crete, and …
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Tafonomia de vertebrados e o primeiro dinossauro da Formação Aliança, Jurássico Superior da Bacia de Jatobá
… Nesse contexto, uma importante fauna de vertebrados é encontrada em diversos estratos dessa unidade, principalmente na região de Ibimirim, Estado de Pernambuco. Os dois objetivos principais desse trabalho incluem: (1) descrever as tafofáceis de vertebrados e (2) realizar o estudo …
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Is psoas muscle area as determined by cross-sectional measurement an accurate predictor of peri-operative outcomes in adenocarcinoma of the upper gastrointestinal tract?
… was measured at the level of the third lumbar vertebra on staging CT, using Phillips IntelloSpace PACS Enterprise version 4.4.553.50. The psoas muscle area was normalised for height (TPA mm2 /m2 ), creating the psoas muscle index (PMI). All individuals proceeding to surgery were compared in …
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