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Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft

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https://www.readbyqxmd.com/read/29017852/an-augmented-reality-magic-mirror-as-additive-teaching-device-for-gross-anatomy
#1
Daniela Kugelmann, Leonard Stratmann, Nils Nühlen, Felix Bork, Saskia Hoffmann, Golbarg Samarbarksh, Anna Pferschy, Anna Maria von der Heide, Andreas Eimannsberger, Pascal Fallavollita, Nassir Navab, Jens Waschke
When preparing young medical students for clinical activity, it is indispensable to acquaint them with anatomical section images which enable them to use the clinical application of imaging methods A new Augmented Reality Magic Mirror (AR MM) system, which provides the advantage of a novel, interactive learning tool in addition to a regular dissection course, was therefore tested and evaluated by 880 first-year medical students as part of the macroscopic anatomy course in 2015/16 at Ludwig-Maximilians-Universität (LMU) in Munich...
October 7, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28963046/introducing-a-simple-method-of-maxillary-sinus-volume-assessment-based-on-linear-dimensions
#2
Agnieszka Przystańska, Tomasz Kulczyk, Artur Rewekant, Alicja Sroka, Katarzyna Jończyk-Potoczna, Dorota Lorkiewicz-Muszyńska, Krzysztof Gawriołek, Agata Czajka-Jakubowska
Measuring sinus volume in a general practice clinic is a complex and time-consuming procedure, requiring experience in the use of radiological methods In the presented research, the automatically estimated maxillary sinus volume was compared with maxillary sinus volume assessed with mathematical formulas used to calculate the volume of spheres and pyramids. The starting point for the statistical analysis were specific measurements of the sinuses. We wanted to discover which geometric shape has the volume that is nearest to the automatically estimated volume...
September 28, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28963045/bodies-of-children-in-the-institute-of-anatomy-in-halle-saale-germany-between-1920-and-1945
#3
F Winter, D Stoevesandt, R Schultka, M Viebig, K Moeller, F Steger, H Kielstein
At the Institute of Anatomy and Cell Biology in Halle (Saale) 74 children's bodies of unknown historical provenance are being held in storage. The aim of this study was the evaluation of their identities, the circumstances of their acquisition, as well as the documentation of their individual characteristics. For these purposes, all bodies were comprehensively examined and photo-documented. Furthermore, CT-scans of 29 bodies were performed and information was collected from various local and national archives...
September 27, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28954211/calcium-binding-proteins-expression-in-the-septum-and-cingulate-cortex-of-the-adult-guinea-pig
#4
Beata Hermanowicz-Sobieraj, Krystyna Bogus-Nowakowska, Anna Robak
For the first time this study demonstrates the distribution pattern and expression of three neuroanatomical markers: calbindin D28k (CB), calretinin (CR) and parvalbumin (PV) in topographically connected brain regions - the septum (SE) and the cingulate cortex (CC). The co-existence among calcium-binding proteins (CaBPs) was also examined. The study was conducted on the adult guinea pig with the use of immunohistochemical and molecular biological techniques. Among the studied CaBPs, which occurred in both examined brain regions at transcript and protein levels, CB was the most expressed in the SE, while CR in the CC...
September 24, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28954210/gonial-angle-growth-patterns-according-to-age-and-gender
#5
Carolina Larrazabal-Moron, Juan A Sanchis-Gimeno
Currently there are controversial results about gender and age differences in human gonial angle values. In this context we aimed to ascertain the gender and age differences in the gonial angle values of young Caucasian Mediterranean subjects. We tested the hypothesis of a relation between the gonial angle values and the gender and age of the subjects by means of a prospective study involving 266 subjects. Panoramic radiographs (Cranex Novus(®), XMIND Novus(®) Soredex, France) were carried out in order to measure the gonial angle values...
September 24, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28954209/a-micro-computed-tomographic-micro-ct-analysis-of-the-root-canal-morphology-of-maxillary-third-molar-teeth
#6
Iwona M Tomaszewska, Bartosz Leszczyński, Andrzej Wróbel, Tomasz Gładysz, Hal F Duncan
INTRODUCTION: The aim of this study was to analyze the root canal morphology of maxillary third molars (MTMs) using micro-computed tomography (micro-CT). MATERIALS AND METHODS: Seventy-eight consecutively-extracted human MTMs were scanned using micro-CT (spatial resolution=13.68μm per pixel). Dedicated software (SkyScan(®)) was used to create virtual reconstructions and perform 3D-analysis. A range of anatomical features were assessed; externally (root number, length, fusion, curvature, apex), within the pulp chamber (distance between canal orifices, floor thickness) and within the root canal system (root canal number, classification, ramifications, isthmuses, apical constriction)...
September 24, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28954208/molecular-basis-of-dental-sensitivity-the-odontoblasts-are-multisensory-cells-and-express-multifunctional-ion-channels
#7
REVIEW
A Solé-Magdalena, M Martínez-Alonso, C A Coronado, L M Junquera, J Cobo, J A Vega
Odontoblasts are the dental pulp cells responsible for the formation of dentin. In addition, accumulating data strongly suggest that they can also function as sensory cells that mediate the early steps of mechanical, thermic, and chemical dental sensitivity. This assumption is based on the expression of different families of ion channels involved in various modalities of sensitivity and the release of putative neurotransmitters in response to odontoblast stimulation which are able to act on pulp sensory nerve fibers...
September 24, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28954207/effects-of-%C3%A3-tcp-scaffolds-on-neurogenic-and-osteogenic-differentiation-of-human-embryonic-stem-cells
#8
Premjit Arpornmaeklong, Michael J Pressler
Extracellular matrix (ECM) and adhesion molecules play crucial roles in regulating growth and differentiation of stem cells. The current study aimed to investigate the effects of beta-tricalcium phosphate (ß-TCP) scaffolds on differentiation and expression of ECM and adhesion molecules of human embryonic stem cells (hESCs). Undifferentiated hESCs were seeded on ß-TCP scaffolds and cell culture plates and cultured in growth and osteogenic medium for 21 days. Scanning electron microscopy (SEM) displayed adhesion and growth of hESCs on the porous ß-TCP scaffolds...
September 24, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28954206/phospholipase-c-zeta-parameters-in-sperm-from-polymorphic-teratozoospermic-men
#9
Nahid Azad, Hamid Nazarian, Marefat Ghaffari Novin, Reza Masteri Farahani, Abbas Piryaei, Mohammad Hassan Heidari
Teratozoospermia is a disorder associated with high abnormal sperm morphology which affects fertility in males. In recent years, it has been described that biomarker-based sperm quality evaluation can alleviate male infertility treatment. Phospholipase C zeta (PLCζ) is a sperm-specific factor which appears to be a predicting biomarker for fertilization potential of males. Following fertilization, PLCζ enters into oocyte cytoplasm and induces oocyte activation, a fundamental stage in initiation of embryo development...
September 24, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28935565/comparative-postnatal-histomorphogenesis-of-the-mandible-in-wild-and-laboratory-mice
#10
Jessica Martínez-Vargas, Cayetana Martinez-Maza, Francesc Muñoz-Muñoz, Nuria Medarde, Hayat Lamrous, María José López-Fuster, Jorge Cubo, Jacint Ventura
The coordinated activity of bone cells (i.e., osteoblasts and osteoclasts) during ontogeny underlies observed changes in bone growth rates (recorded in bone histology and bone microstructure) and bone remodeling patterns explaining the ontogenetic variation in bone size and shape. Histological cross-sections of the mandible in the C57BL/6J inbred mouse strain were recently examined in order to analyze the bone microstructure, as well as the directions and rates of bone growth according to the patterns of fluorescent labeling, with the aim of description of the early postnatal histomorphogenesis of this skeletal structure...
September 18, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28931468/platelet-released-growth-factors-inhibit-proliferation-of-primary-keratinocytes-in-vitro
#11
Andreas Bayer, Mersedeh Tohidnezhad, Rouven Berndt, Sebastian Lippross, Peter Behrendt, Tim Klüter, Thomas Pufe, Holger Jahr, Jochen Cremer, Franziska Rademacher, Maren Simanski, Regine Gläser, Jürgen Harder
Autologous thrombocyte concentrate lysates as platelet-released growth factors (PRGF) or Vivostat Platelet Rich Fibrin (PRF(®)) represent important tools in modern wound therapy, especially in the treatment of chronic, hard-to-heal or infected wounds. Nevertheless, underlying cellular and molecular mechanisms of the beneficial clinical effects of a local wound therapy with autologous thrombocyte concentrate lysates are poorly understood. Recently, we have demonstrated that PRGF induces antimicrobial peptides in primary keratinocytes and accelerates keratinocytes' differentiation...
September 18, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28889021/maxillary-sinuses-and-midface-in-patients-with-cleidocranial-dysostosis
#12
Tomasz Kulczyk, Agnieszka Przystańska, Artur Rewekant, Renata Turska-Malińska, Agata Czajka-Jakubowska
The cleidocranial dysplasia is general skeletal disorder with an autosomal dominant inheritance. It is manifested by many craniofacial abnormalities, of which the maxillary hypoplasia is the most evident. The aim of the study was to use CBCT to evaluate the volume of the maxillary sinuses and the dimensions of maxillae in patients with CCD and compare them with healthy individuals. Files of four children with cleidocranial dysplasia were investigated. Volume of every maxillary sinus as well as two dimensional measurements of distances between particular points of interest located on surface of maxilla were calculated from reconstructed CBCT examination...
September 6, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28866074/anatomical-connections-between-the-buccinator-and-the-tendons-of-the-temporalis
#13
Mi-Sun Hur
The aim of this study was to clarify the anatomical relationship between the buccinator and the temporalis in order to improve understanding of the precise and coordinated movements of the mouth and the mandible. The buccinator and the temporalis were investigated in 72 hemifaces from Korean cadavers. Removing the buccal fat pad from the buccinator revealed that the fascia encircled the space between the superficial and deep tendons of the temporalis laterally, and the external surface of the buccinator medially in all specimens (100%)...
September 1, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28865773/in-vivo-characterization-of-the-murine-venous-system-before-and-during-dobutamine-stimulation-implications-for-preclinical-models-of-venous-disease
#14
Olivia R Palmer, Calvin B Chiu, Amos Cao, Ulrich M Scheven, Jose A Diaz, Joan M Greve
Although widely used as a preclinical model for studying venous diseases, there is a scarcity of in vivo characterizations of the naïve murine venous system. Additionally, previous studies on naïve veins (ex vivo) have not included the influence of surrounding structures and biomechanical forces. Using MRI, we noninvasively quantified the cross-sectional area, cyclic strain, and circularity of the venous system in young and old, male and female C57BL/6 mice. We investigated the most common venous locations used to perform venous disease research: the common jugular vein, suprarenal inferior vena cava (IVC), infrarenal IVC, common iliac vein, and common femoral vein...
September 1, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28865772/expression-of-myosin-heavy-chain-isoforms-mrna-transcripts-in-the-temporalis-muscle-of-common-chimpanzees-pan-troglodytes
#15
Neus Ciurana, Rosa Artells, Carmen Muñoz, Júlia Arias-Martorell, Gaëlle Bello-Hellegouarch, Aroa Casado, Elisabeth Cuesta, Alejandro Pérez-Pérez, Juan Francisco Pastor, Josep Maria Potau
PURPOSE: The common chimpanzee (Pan troglodytes) is the primate that is phylogenetically most closely related to humans (Homo sapiens). In order to shed light on the anatomy and function of the temporalis muscle in the chimpanzee, we have analyzed the expression patterns of the mRNA transcripts of the myosin heavy chain (MyHC) isoforms in different parts of the muscle. BASIC PROCEDURES: We dissected the superficial, deep and sphenomandibularis portions of the temporalis muscle in five adult P...
September 1, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28865771/can-skull-form-predict-the-shape-of-the-temporomandibular-joint-a-study-using-geometric-morphometrics-on-the-skulls-of-wolves-and-domestic-dogs
#16
Stefan Curth, Martin S Fischer, Kornelius Kupczik
The temporomandibular joint (TMJ) conducts and restrains masticatory movements between the mammalian cranium and the mandible. Through this functional integration, TMJ morphology in wild mammals is strongly correlated with diet, resulting in a wide range of TMJ variations. However, in artificially selected and closely related domestic dogs, dietary specialisations between breeds can be ruled out as a diversifying factor although they display an enormous variation in TMJ morphology. This raises the question of the origin of this variation...
September 1, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28823877/immunohistochemical-and-western-blot-analysis-suggest-that-the-soluble-forms-of-fgf1-2-and-fgfr1-2-sustain-tail-regeneration-in-the-lizard
#17
Lorenzo Alibardi
Fibroblast Growth Factors 1-2 (FGF1-2) stimulate tail regeneration in lizards and therefore the distribution of their receptors, FGFR1-2, in the regenerating tail of the lizard. Podarcis muralis has been studied using immunofluorescence and western blotting. Immunoreactive protein bands at 15-16kDa for FGF1-2 in addition to those at 50-65kDa are detected in the regenerating epidermis, but weak bands at 35, 45 and 50kDa appear from the regenerating connective tissues. Strongly immunolabeled bands for FGFR1 at 32, 60, and 80kDa and less intense for FGFR2 only appear in the regenerating tail...
August 18, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28823709/modulation-of-macrophage-phagocytosis-in-vitro-a-role-for-cholinergic-stimulation
#18
Amira-Talaat Moussa, Andrea Rabung, Sandra Reichrath, Stefan Wagenpfeil, Thai Dinh, Gabriela Krasteva-Christ, Carola Meier, Thomas Tschernig
Acetylcholine is synthetized and released from neural cells, but also by non-neuronal cells such as epithelial cells or keratinocytes. Cholinergic agonists enhance the phagocytosis of zymosan particles in primary peritoneal macrophages. The aim of this study was to investigate the effect of carbachol stimulation on phagocytosis in a macrophage cell line using microspheres. The murine cell line MH-S was used in a phagocytosis assay with fluorescent latex beads. The amount of the ingested beads was determined using flow cytometry...
August 16, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28823708/combined-anatomical-variations-the-mylohyoid-bridge-retromolar-canal-and-accessory-palatine-canals-branched-from-the-canalis-sinuosus
#19
M C Rusu, M Săndulescu, C Bichir, L A S Muntianu
The study of anatomical variations is important not only for collecting anthropometric data, but also for improving clinical protocols and understanding why a particular clinical procedure sometimes does not yield the expected results. We report the case of a 74 year-old patient, in which we observed combined anatomical variants of the mandible and maxillary bone. One of these was the unilateral mylohyoid bridge (MB) of the uncommon, lingular type. This MB extended posteriorly to the spine of Spix, over the sulcus colli behind the spine...
August 16, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/28782583/age-related-remodeling-of-the-jak-stat-socs-signaling-pathway-and-associated-myocardial-changes-from-histological-to-molecular-level
#20
Basma Emad Aboulhoda
BACKGROUND: The cellular and molecular mechanisms implicated in age-associated changes in myocardial structure are of paramount importance since they cause profound alterations in the functional response and represent targets for alleviating age-related pathologies. One of these mechanisms is the JAK/STAT/SOCS signaling pathway. AIM OF THE STUDY: The present study is designed to elucidate age-dependent changes of the myocardium to provide morphological basis displaying the pathogenesis of myocardial hypertrophy, fibrosis and inflammation with aging...
August 4, 2017: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
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