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https://www.readbyqxmd.com/read/28549548/geometric-morphometric-and-traditional-methods-for-sex-assessment-using-the-posterior-ilium
#1
Rebeka Rmoutilová, Ján Dupej, Jana Velemínská, Jaroslav Brůžek
The human hip bone is generally accepted as the most reliable bone for sex estimation in forensic and bioarchaeological disciplines. However, it is seldom completely preserved. The best preserved region is typically around the sacroiliac joint and its auricular surface; it is therefore surprising that this surface has not been involved in standard sexing methods. The aim of this study was to explore the shape and size sexual dimorphism of the auricular surface in detail and to compare its sex estimation accuracy using the geometric morphometric (GM) and traditional methodological approach...
May 2017: Legal Medicine
https://www.readbyqxmd.com/read/28542491/the-face-of-war-trauma-analysis-of-a-mass-grave-from-the-battle-of-l%C3%A3-tzen-1632
#2
Nicole Nicklisch, Frank Ramsthaler, Harald Meller, Susanne Friederich, Kurt W Alt
Contemporary accounts of battles are often incomplete or even erroneous because they reflect the-often biased-viewpoints of the authors. Battlefield archaeology faces the task of compiling an historical analysis of a battle and of gathering all the available facts. Besides cultural historical evidence and artefacts, the human remains of those who have fallen in battle also provide invaluable information. In studying mass graves from a military context, the injury types and patterns are significant. They allow us to reconstruct the circumstances surrounding the soldiers' deaths and provide information on the hostilities that occurred on the battlefield...
2017: PloS One
https://www.readbyqxmd.com/read/28540612/clival-canal-and-clival-foramen-development-in-the-fetal-and-infant-basioccipital
#3
Matthew J Zdilla
PURPOSE: There is a paucity of research regarding both the development and the prevalence of the clival canal or clival foramen in fetuses. Reports that have examined child and adult populations have posited ideas for the development of the canal and foramen; however, they have done so in the absence of anatomical data from the fetal population. Therefore, the present study was performed to elucidate the development of the clival canal and foramen through the assessment of perinatal basioccipitals...
May 24, 2017: Child's Nervous System: ChNS: Official Journal of the International Society for Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28533965/reappraisal-of-the-extinct-seal-phoca-vitulinoides-from-the-neogene-of-the-north-sea-basin-with-bearing-on-its-geological-age-phylogenetic-affinities-and-locomotion
#4
Leonard Dewaele, Eli Amson, Olivier Lambert, Stephen Louwye
BACKGROUND: Discovered on the southern margin of the North Sea Basin, "Phoca" vitulinoides represents one of the best-known extinct species of Phocidae. However, little attention has been given to the species ever since its original 19th century description. Newly discovered material, including the most complete specimen of fossil Phocidae from the North Sea Basin, prompted the redescription of the species. Also, the type material of "Phoca" vitulinoides is lost. METHODS: "Phoca" vitulinoides is redescribed...
2017: PeerJ
https://www.readbyqxmd.com/read/28508205/the-first-case-of-morphological-differentiation-of-altai-osman-oreoleuciscus-potanini-cyprinidae-actinopterigii-in-a-river
#5
Yu Yu Dgebuadze, A N Mironovskii, B Mendsaikhan, Yu V Slyn'ko
The variability of osteological characters has been investigated in cyprinid fish of the genus Oreoleuciscus (Potanin Altai osman) from the river Zavkhan; this fish species is endemic for water bodies of Central Asia. Multivariate analysis of 13 quantitative parameters of the size of the cerebral and visceral skull and the pectoral girdle and the construction of ontogenetic channels allowed the detection of morphologically distinct forms in the fluvial habitats. The result obtained provides additional proof of the possibility of sympatric diversification of fish in river ecosystems...
March 2017: Doklady Biological Sciences: Proceedings of the Academy of Sciences of the USSR, Biological Sciences Sections
https://www.readbyqxmd.com/read/28493527/characterization-of-a-sandwich-elisa-for-the-quantification-of%C3%A2-all-human-periostin-isoforms
#6
Elisabeth Gadermaier, Manfred Tesarz, Andreea Ana-Maria Suciu, Jacqueline Wallwitz, Gabriela Berg, Gottfried Himmler
BACKGROUND: Periostin (osteoblast-specific factor OSF-2) is a secreted protein occurring in seven known isoforms, and it is involved in a variety of biological processes in osteology, tissue repair, oncology, cardiovascular and respiratory systems or allergic manifestations. To analyze functional aspects of periostin, or the ability of periostin as potential biomarker in physiological and pathological conditions, there is the need for a precise, well-characterized assay that detects periostin in peripheral blood...
May 11, 2017: Journal of Clinical Laboratory Analysis
https://www.readbyqxmd.com/read/28480132/osteology-of-galeamopus-pabsti-sp-nov-sauropoda-diplodocidae-with-implications-for-neurocentral-closure-timing-and-the-cervico-dorsal-transition-in-diplodocids
#7
Emanuel Tschopp, Octávio Mateus
Diplodocids are among the best known sauropod dinosaurs. Numerous specimens of currently 15 accepted species belonging to ten genera have been reported from the Late Jurassic to Early Cretaceous of North and South America, Europe, and Africa. The highest diversity is known from the Upper Jurassic Morrison Formation of the western United States: a recent review recognized 12 valid, named species, and possibly three additional, yet unnamed ones. One of these is herein described in detail and referred to the genus Galeamopus...
2017: PeerJ
https://www.readbyqxmd.com/read/28462513/an-easy-to-produce-and-economical-three-dimensional-brain-phantom-for-stereotactic-computed-tomographic-guided-brain-biopsy-training-in-the-dog
#8
Deepinder S Sidhu, Jeffrey D Ruth, Gregory Lambert, John H Rossmeisl
OBJECTIVE: To develop and validate a three-dimensional (3D) brain phantom that can be incorporated into existing stereotactic headframes to simulate stereotactic brain biopsy (SBB) and train veterinary surgeons. STUDY DESIGN: Experimental study. SAMPLE POPULATION: Canine brain phantoms were fabricated from osteological skull specimens, agarose brain parenchyma, and cheddar and mozzarella cheese molds (simulating meningiomas and gliomas). METHODS: The neuroradiologic and viscoelastic properties of phantoms were quantified with computed tomography (CT) and oscillatory compression tests, respectively...
April 29, 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28462034/virtual-reconstruction-of-the-endocranial-anatomy-of-the-early-jurassic-marine-crocodylomorph-pelagosaurus-typus-thalattosuchia
#9
Stephanie E Pierce, Megan Williams, Roger B J Benson
Thalattosuchians were highly specialised aquatic archosaurs of the Jurassic and Early Cretaceous, and represent a peak of aquatic adaptation among crocodylomorphs. Relatively little is known of their endocranial anatomy or its relevance for the evolution of sensory systems, physiology, and other aspects of biology. Nevertheless, such data have significance for two reasons: (1) thalattosuchians represent an important data point regarding adaptation to marine life in tetrapods; and (2) as early-diverging members of the crocodylian stem-lineage, thalattosuchians provide information on the evolutionary assembly of the brain and other endocranial structures in crocodylomorphs...
2017: PeerJ
https://www.readbyqxmd.com/read/28453591/-the-impact-of-tap-water-fluoridation-on-human-health
#10
Verena Romero, Frances J Norris, Juvenal A Ríos, Isel Cortés, Andrea González, Leonardo Gaete, Andrei N Tchernitchin
The purpose of this review is to describe the osteological, neurological, endocrine and dermatological effects of fluoride ingestion. Additional aims are to evaluate whether the Chilean tap water fluoridation program has had any impact on dental health, and analyze the basis for the Chilean elementary school milk fluoridation program, which is targeted at children living in places where tap water has a fluoride concentration less than 0.3 mg/L, without any artificial fluoridation process. We discuss the finding that both public measures have no direct or remarkable effect on dental health, since topical dental hygiene products are the main and most effective contributors to the prevention of dental decay...
February 2017: Revista Médica de Chile
https://www.readbyqxmd.com/read/28417147/cortical-histomorphometry-of-the-human-humerus-during-ontogeny
#11
Rosie Pitfield, Justyna J Miszkiewicz, Patrick Mahoney
Modeling and remodeling are two key determinants of human skeletal growth though little is known about the histomorphometry of cortical bone during ontogeny. In this study, we examined the density and geometric properties of primary and secondary osteons (osteon area and diameter, vascular canal area and diameter) in subperiosteal cortical bone from the human humerus (n = 84) between birth and age 18 years. Sections were removed from the anterior midshaft aspect of humeri from skeletons. Age-at-death was reconstructed using standard osteological techniques...
April 17, 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/28408764/fossil-climbing-perch-and-associated-plant-megafossils-indicate-a-warm-and-wet-central-tibet-during-the-late-oligocene
#12
Feixiang Wu, Desui Miao, Mee-Mann Chang, Gongle Shi, Ning Wang
Understanding the Tibetan Plateau's palaeogeography and palaeoenvironment is critical for reconstructing Asia's climatic history; however, aspects of the plateau's uplift history remain unclear. Here, we report a fossil biota that sheds new light on these issues. It comprises a fossil climbing perch (Anabantidae) and a diverse subtropical fossil flora from the Chattian (late Oligocene) of central Tibet. The fish, Eoanabas thibetana gen. et sp. nov., is inferred to be closely related to extant climbing perches from tropical lowlands in south Asia and sub-Saharan Africa...
April 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28404241/discrete-morphological-variants-of-human-cervical-vertebrae-exploring-pattern-of-distribution-and-biological-significance
#13
M K Karapetian
Studies on discrete traits of the human cervical vertebrae, appearing at certain intervals during the last century, posed some questions regarding evolutionary processes that human cervical spine underwent during phylogenesis. To address questions of significance of these morphological traits we need first a good knowledge of the extent of their variation in modern humans. The aim of the current work was to integrate available data on the occurrence of various non-metric traits in the human cervical spine and search for the pattern of their distribution on intra- and inter-population levels...
March 9, 2017: Homo: Internationale Zeitschrift Für die Vergleichende Forschung Am Menschen
https://www.readbyqxmd.com/read/28386125/guangxi-cobra-venom-derived-ngf-promotes-the-osteogenic-and-therapeutic-effects-of-porous-bcp-ceramic
#14
Pan Jin, Fuqiang Yin, Li Huang, Li Zheng, Jinmin Zhao, Xingdong Zhang
Neuro-osteological interactions have an important role in the regulation of bone metabolism and regeneration. Neuropeptides combined with porous biphasic calcium phosphates (BCP) using protein adsorption may contribute to the acceleration of bone formation. In the present study, we investigated the effect of BCP combined with nerve growth factor (NGF) on the growth of osteoblasts in vitro and the combinational therapeutic effect on the repair of calvarial defects in vivo. NGF was separated and purified from Chinese cobra venom using a simplified three-step chromatography method...
April 7, 2017: Experimental & Molecular Medicine
https://www.readbyqxmd.com/read/28385930/decreased-and-increased-relative-acetabular-volume-predict-the-development-of-osteoarthritis-of-the-hip-an-osteological-review-of-1090-hips
#15
D S Weinberg, D F K Williamson, M B Millis, R W Liu
AIMS: Recently, there has been considerable interest in quantifying the associations between bony abnormalities around and in the hip joint and osteoarthritis (OA). Our aim was to investigate the relationships between acetabular undercoverage, acetabular overcoverage, and femoroacetabular impingement (FAI) with OA of the hip, which currently remain controversial. MATERIALS AND METHODS: A total of 545 cadaveric skeletons (1090 hips) from the Hamann-Todd osteological collection were obtained...
April 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28384890/effectiveness-of-video-demonstration-over-conventional-methods-in-teaching-osteology-in-anatomy
#16
Angela A Viswasom, Abraham Jobby
INTRODUCTION: Technology and its applications are the most happening things in the world. So, is it in the field of medical education. This study was an evaluation of whether the conventional methods can compete with the test of technology. AIM: A comparative study of traditional method of teaching osteology in human anatomy with an innovative visual aided method. MATERIALS AND METHODS: The study was conducted on 94 students admitted to MBBS 2014 to 2015 batch of Travancore Medical College...
February 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28384240/supplementary-cranial-description-of-the-types-of-edmontosaurus-regalis-ornithischia-hadrosauridae-with-comments-on-the-phylogenetics-and-biogeography-of-hadrosaurinae
#17
Hai Xing, Jordan C Mallon, Margaret L Currie
The cranial anatomy of the flat-skulled hadrosaurine Edmontosaurus regalis (Ornithischia: Hadrosauridae) is extensively described here, based on the holotype and paratype collected from the middle part of the Horseshoe Canyon Formation in southern Alberta. Focus is given to previously undocumented features of ontogenetic and phylogenetic importance. This description facilitates overall osteological comparisons between E. regalis and other hadrosaurids (especially E. annectens), and revises the diagnosis of E...
2017: PloS One
https://www.readbyqxmd.com/read/28381624/eye-development-in-the-four-eyed-fish-anableps-anableps-cranial-and-retinal-adaptations-to-simultaneous-aerial-and-aquatic-vision
#18
Louise N Perez, Jamily Lorena, Carinne M Costa, Maysa S Araujo, Gabriela N Frota-Lima, Gabriel E Matos-Rodrigues, Rodrigo A P Martins, George M T Mattox, Patricia N Schneider
The unique eyes of the four-eyed fish Anableps anableps have long intrigued biologists. Key features associated with the bulging eye of Anableps include the expanded frontal bone and the duplicated pupils and cornea. Furthermore, the Anableps retina expresses different photoreceptor genes in dorsal and ventral regions, potentially associated with distinct aerial and aquatic stimuli. To gain insight into the developmental basis of the Anableps unique eye, we examined neurocranium and eye ontogeny, as well as photoreceptor gene expression during larval stages...
April 12, 2017: Proceedings. Biological Sciences
https://www.readbyqxmd.com/read/28373598/raccoon-dog-model-shows-preservation-of-bone-during-prolonged-catabolism-and-reduced-physical-activity
#19
Anne-Mari J Mustonen, Mikko A J Finnilä, Katri S Puukka, Timo J Jämsä, Simo Saarakkala, Juha K Tuukkanen, T Petteri Nieminen
The raccoon dog (Nyctereutes procyonoides) is a promising animal model capable of preventing disuse-induced osteoporosis. Previous data suggest that this species resembles bears in the preservation of bone mass and biomechanical properties during prolonged passivity and catabolism. This longitudinal study examined the osteological properties of tibiae in farm-bred raccoon dogs that were either fed or fasted (n=6/group) for a 10-week period. Peripheral quantitative computed tomography was utilized and plasma markers of bone turnover measured before fasting and at 9 weeks followed by mechanical testing (three-point bending), micro-computed tomography and Fourier transform infrared imaging at 10 weeks...
April 3, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28353306/anatomical-variations-of-the-sternal-angle-and-anomalies-of-adult-human-sterna-from-the-galloway-osteological-collection-at-makerere-university-anatomy-department
#20
Gonzaga Gonza Kirum, Ian Munabi, John Kukiriza, Gerald Tumusiime, Mesach Kange, Charles Ibingira, William Buwembo
BACKGROUND: Anatomical variations of the sternal angle and anomalies of the sternum are unique happenings of major clinical significance.It is known that misplaced sternal angles may lead to inaccurate counting of ribs and create challenges with intercostal nerve blocks and needle thoracostomies. Sternal foramina may pose a great hazard during sternal puncture, due to inadvertent cardiac or great vessel injury. These sternal variations and anomalies are rarely reported among Africans...
March 29, 2017: Folia Morphologica (Warsz)
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