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https://www.readbyqxmd.com/read/29334768/angular-and-metric-analysis-of-the-neural-structures-in-the-cerebellopontine-angle
#1
Helbert de Oliveira Manduca Palmiero, Marcos Devanir Silva da Costa, Ricardo Lourenço Caramanti, Feres Eduardo Aparecido Chaddad-Neto
INTRODUCTION: The cerebellopontine angle (CPA) is a subarachnoid space in the lateral aspect of the posterior fossa. In this study, we propose a complementary analysis of the CPA from the cerebellopontine fissure. METHODS: We studied 50 hemi-cerebelli in the laboratory of neuroanatomy and included a description of the CPA anatomy from the cerebellopontine fissure and its relationship with the flocculus and the 5th, 6th, 7th, and 8th cranial nerves (CN) origins. RESULTS: The average distance from the 5th CN to the mid-line (ML) was 19...
January 15, 2018: British Journal of Neurosurgery
https://www.readbyqxmd.com/read/29314722/influence-of-study-approaches-and-course-design-on-academic-success-in-the-undergraduate-anatomy-laboratory
#2
Courtney D Eleazer, Rebecca Scopa Kelso
Many pre-health professional programs require completion of an undergraduate anatomy course with a laboratory component, yet grades in these courses are often low. Many students perceive anatomy as a more challenging subject than other coursework, and the resulting anxiety surrounding this perception may be a significant contributor to poor performance. Well-planned and deliberate guidance from instructors, as well as thoughtful course design, may be necessary to assist students in finding the best approach to studying for anatomy...
January 4, 2018: Anatomical Sciences Education
https://www.readbyqxmd.com/read/29299107/the-missing-link-a-case-of-absent-pituitary-infundibulum-and-ectopic-neurohypophysis-in-a-pediatric-patient-with-heterotaxy-syndrome
#3
Adil Omer, Dana Haddad, Leszek Pisinski, Alan V Krauthamer
We report a case of absent pituitary infundibulum and ectopic neurohypophysis in a 4-year-old patient presenting clinically with hypopituitarism as well as heterotaxy syndrome complicated by global developmental delay and growth retardation. The clinical and laboratory workup of our patient suggested underlying hypopituitarism related to either congenital or acquired pathology, necessitating MRI to distinguish between them. We explain the various structural causes of hypopituitarism and detail how to predict the MRI findings and treatment, based on a fundamental understanding of the anatomy and pathophysiology of the hypothalamic pituitary axis and distinguishing anterior versus posterior pituitary hormone derangements...
September 2017: Journal of Radiology Case Reports
https://www.readbyqxmd.com/read/29291091/laryngeal-airway-reconstruction-indicates-that-rodent-ultrasonic-vocalizations-are-produced-by-an-edge-tone-mechanism
#4
Tobias Riede, Heather L Borgard, Bret Pasch
Some rodents produce ultrasonic vocalizations (USVs) for social communication using an aerodynamic whistle, a unique vocal production mechanism not found in other animals. The functional anatomy and evolution of this sound production mechanism remains unclear. Using laryngeal airway reconstruction, we identified anatomical specializations critical for USV production. A robust laryngeal cartilaginous framework supports a narrow supraglottal airway. An intralaryngeal airsac-like cavity termed the ventral pouch was present in three muroid rodents (suborder Myomorpha), but was absent in a heteromyid rodent (suborder Castorimorpha) that produces a limited vocal repertoire and no documented USVs...
November 2017: Royal Society Open Science
https://www.readbyqxmd.com/read/29283505/application-of-flipped-classroom-pedagogy-to-the-human-gross-anatomy-laboratory-student-preferences-and-learning-outcomes
#5
Timothy R Fleagle, Nicholas C Borcherding, Jennie Harris, Darren S Hoffmann
To improve student preparedness for anatomy laboratory dissection, the dental gross anatomy laboratory was transformed using flipped classroom pedagogy. Instead of spending class time explaining the procedures and anatomical structures for each laboratory, students were provided online materials to prepare for laboratory on their own. Eliminating in-class preparation provided the opportunity to end each period with integrative group activities that connected laboratory and lecture material and explored clinical correlations...
December 28, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/29280026/management-of-non-functioning-pituitary-adenomas-surgery
#6
REVIEW
David L Penn, William T Burke, Edward R Laws
Non-functional pituitary adenomas (NFPAs) are benign tumors of the pituitary gland that do not over-secrete hormonal products, therefore, they are generally detected through symptoms of mass effect, including headache, vision loss, or hypopituitarism. There are multiple pathological subtypes of NFPAs, such as null cell adenomas, silent gonadotrophs, silent somatotrophs, silent corticotrophs, and silent subtype 3, all of which can be classified based on immunohistochemical studies and electron microscopy. Despite these numerous pathological subtypes, surgical resection remains the first-line treatment for NFPAs...
December 26, 2017: Pituitary
https://www.readbyqxmd.com/read/29240039/an-overview-of-low-back-pain-and-occupational-exposures-to-whole-body-vibration-and-mechanical-shocks
#7
Massimo Bovenzi, Marianne Schust, Marcella Mauro
This paper offers an overview of the relation of low back pain (LBP) to occupational exposures to whole-body vibration (WBV) and mechanical shocks. LBP is a condition of multifactorial origin and is a very common health problem in the general population. Among occupational risk factors, epidemiological studies of driving occupations have provided evidence for strong associations between LBP and occupational exposures to WBV and mechanical shocks. Since it is hard to separate the contribution of WBV exposure to disorders in the lower back from that of other individual, ergonomic or psychosocial risk factors, a quantitative exposure-response relationship for WBV cannot be outlined precisely...
December 14, 2017: La Medicina del Lavoro
https://www.readbyqxmd.com/read/29205960/what-do-medical-students-learn-from-dissection
#8
Natasha A M S Flack, Helen D Nicholson
Dissection has long been the accepted method for teaching anatomy to medical students. More recently, some educators have suggested that easier, cheaper, alternative methods are just as effective. But what do the students think? This paper aimed to identify what undergraduate medical students learn, how they cope, and what effects participating in dissection has on them as individuals. A cohort of 267 second year medical students at Otago Medical School were invited to complete three online surveys; before their first dissection laboratory class, after their first musculoskeletal system dissection and following the last semester of studying anatomy...
December 4, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/29202351/psoas-abscess-masquerading-as-a-prosthetic-hip-infection-a-case-report
#9
Muhammad Atif, Azeem Tariq Malik, Shahryar Noordin
INTRODUCTION: Psoas abscess is an unusual condition and is defined as a collection of pus in the iliopsoas compartment. Due to the unique anatomy of psoas muscle it forms a conduit for spread of infection from upper part of body to hip joint in neglected cases. CASE PRESENTATION: A 67year old lady presented with left groin pain for three weeks. She underwent an uncemented unipolar hemiarthoplasty eight years back. Currently, she developed fever and was unable to do any active left hip range of motion...
December 1, 2017: International Journal of Surgery Case Reports
https://www.readbyqxmd.com/read/29198733/virtual-medicine-utilization-of-the-advanced-cardiac-imaging-patient-avatar-for-procedural-planning-and-facilitation
#10
REVIEW
Jerold S Shinbane, Leslie A Saxon
Advances in imaging technology have led to a paradigm shift from planning of cardiovascular procedures and surgeries requiring the actual patient in a "brick and mortar" hospital to utilization of the digitalized patient in the virtual hospital. Cardiovascular computed tomographic angiography (CCTA) and cardiovascular magnetic resonance (CMR) digitalized 3-D patient representation of individual patient anatomy and physiology serves as an avatar allowing for virtual delineation of the most optimal approaches to cardiovascular procedures and surgeries prior to actual hospitalization...
November 16, 2017: Journal of Cardiovascular Computed Tomography
https://www.readbyqxmd.com/read/29174976/deposition-pattern-of-aerosolized-legionella-using-an-ex-vivo-human-porcine-respiratory-model
#11
Sophie Perinel, Valérie Forest, Mathilde Landraud, Jérémie Pourchez, Françoise Girardot, Serge Riffard, Magalie Stauffert, Jean-Michel Vergnon, Séverine Allegra
Legionella are bacteria responsible for severe lung pathologies. However how they enter and are deposited within the respiratory tract remains poorly documented. Data using animal testing led to the establishment of mathematical models allowing the estimation of aerosol dispersion risks. But direct extrapolation to humans is questionable and experimental models more physiologically representative of the inhalation route are welcome. The aim of this study was to develop a model as close as possible to the human anatomy and physiology allowing determining the deposition pattern of aerosolized Legionella while limiting in vivo experiments...
November 20, 2017: International Journal of Hygiene and Environmental Health
https://www.readbyqxmd.com/read/29173558/do-we-need-extra-articular-reconstructive-surgery
#12
REVIEW
Eivind Inderhaug, Andy Williams
With renewed interest in the lateral soft tissue envelope anatomy, there is also a rise in the popularity of extra-articular anterolateral procedures. There is reasonable laboratory-based evidence for additional benefit of such procedures, but clinical data are not sufficient to judge outcome in the long term for better or worse. Furthermore, the decision-making process to decide when to add an extra-articular procedure is lacking; there are no clinical tests or investigations to guide the clinician. This article presents an overview of the literature and reflections from the authors on the subject...
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29164713/importance-of-oil-overlay-for-production-of-porcine-embryos-in-vitro
#13
REVIEW
C A Martinez, E A Martinez, M A Gil
Technologies to edit the zygote genome have revolutionized biomedical research not only for the creation of animal models for the study of human disease but also for the generation of functional human cells and tissues through interspecies blastocyst complementation technology. The pig is the ideal species for these purposes due to its great similarity in anatomy and physiology to humans. Emerging biotechnologies require the use of oocytes and/or embryos of good quality, which might be obtained using in vitro production (IVP) techniques...
November 21, 2017: Reproduction in Domestic Animals, Zuchthygiene
https://www.readbyqxmd.com/read/29138591/anatomical-etiology-of-pseudo-sciatica-from-superior-cluneal-nerve-entrapment-a-laboratory-investigation
#14
Tomoyuki Konno, Yoichi Aota, Hiroshi Kuniya, Tomoyuki Saito, Ning Qu, Shogo Hayashi, Shinichi Kawata, Masahiro Itoh
Objective: The superior cluneal nerve (SCN) may become entrapped where it pierces the thoracolumbar fascia over the iliac crest; this can cause low back pain (LBP) and referred pain radiating into the posterior thigh, calf, and occasionally the foot, producing the condition known as "pseudo-sciatica." Because the SCN was thought to be a cutaneous branch of the lumbar dorsal rami, originating from the dorsal roots of L1-L3, previous anatomical studies failed to explain why SCN causes "pseudo-sciatica"...
2017: Journal of Pain Research
https://www.readbyqxmd.com/read/29138215/physiology-undergraduate-degree-requirements-in-the-u-s
#15
Valerie S VanRyn, James M Poteracki, Erica A Wehrwein
Course-level learning objectives and core concepts for undergraduate physiology teaching exist. The next step is to consider how these resources fit into generalizable program-level guidelines for Bachelor of Science (BS) degrees in Physiology. In the absence of program-level guidelines for Physiology degree programs, we compiled a selective internal report to review degree requirements from 18 peer BS programs entitled "Physiology" in the United States (U.S.). There was a range of zero to three required semesters of math, physics, physics laboratory, general biology, biology laboratory, general chemistry, chemistry laboratory, organic chemistry, organic chemistry laboratory, biochemistry, biochemistry laboratory, anatomy, anatomy laboratory, core systems physiology, and physiology laboratory...
December 1, 2017: Advances in Physiology Education
https://www.readbyqxmd.com/read/29127734/population-representation-among-anatomical-donors-and-the-implication-for-medical-student-education
#16
Amanda J Collins, Whitney Smith, Eustathia Lela Giannaris, Elizabeth Orvek, Peter Lazar, Jan K Carney, Anne M Gilroy, Max P Rosen
INTRODUCTION: Dissection provides a unique opportunity to integrate anatomical and clinical education. Commonly, cadavers are randomly assigned to courses, which may result in skewed representation of patient populations. The primary aim of this study was to determine if the anatomical donors studied by students at Medical School (MS) accurately represent the disease burden of the local patient population. MATERIALS AND METHODS: This cross-sectional study compared Medical Center patient claims data and body donation data from the Anatomical Gift Program (AGP)...
November 11, 2017: Clinical Anatomy
https://www.readbyqxmd.com/read/29112797/exploring-anatomy-and-physiology-using-ipad-applications
#17
Tandra R Chakraborty, Deborah F Cooperstein
This study examined the use of iPads with anatomy applications (apps) in the laboratory sections of the largest undergraduate course at the university, Anatomy and Physiology, serving more than 300 students. The majority of these students were nursing, exercise science/physical education and biology majors. With a student survey (student opinion) and student practicum grades as metrics, this study determined whether the introduction of this novel mobile technology improved student grades and aided the students in learning the course material...
November 7, 2017: Anatomical Sciences Education
https://www.readbyqxmd.com/read/29101369/trabecular-bone-anisotropy-imaging-with-a-compact-laser-undulator-synchrotron-x-ray-source
#18
Christoph Jud, Eva Braig, Martin Dierolf, Elena Eggl, Benedikt Günther, Klaus Achterhold, Bernhard Gleich, Ernst Rummeny, Peter Noël, Franz Pfeiffer, Daniela Muenzel
Conventional x-ray radiography is a well-established standard in diagnostic imaging of human bones. It reveals typical bony anatomy with a strong surrounding cortical bone and trabecular structure of the inner part. However, due to limited spatial resolution, x-ray radiography cannot provide information on the microstructure of the trabecular bone. Thus, microfractures without dislocation are often missed in initial radiographs, resulting in a lack or delay of adequate therapy. Here we show that x-ray vector radiography (XVR) can overcome this limitation and allows for a deeper insight into the microstructure with a radiation exposure comparable to standard radiography...
November 3, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29100631/drug-cues-conditioned-reinforcement-and-drug-seeking-the-sequelae-of-a-collaborative-venture-with-athina-markou
#19
REVIEW
Barry J Everitt
Athina Markou spent a research period in my laboratory, then in the Department of Anatomy in Cambridge University, in 1991 to help us establish a cocaine-seeking procedure. Thus we embarked on developing a second-order schedule of intravenous cocaine reinforcement to investigate the neural basis of the pronounced effects of cocaine-associated conditioned stimuli on cocaine seeking. This brief review summarizes the fundamental aspects of cocaine seeking measured using this approach and the importance of the methodology in enabling us to define the neural mechanisms and circuitry underlying conditioned reinforcement and cocaine, heroin, and alcohol seeking...
September 25, 2017: Biological Psychiatry
https://www.readbyqxmd.com/read/29096042/what-type-of-learner-are-your-students-preferred-learning-styles-of-undergraduate-gross-anatomy-students-according-to-the-index-of-learning-styles-questionnaire
#20
Melissa M Quinn, Theodore Smith, Eileen L Kalmar, Jennifer M Burgoon
Students learn and process information in many different ways. Learning styles are useful as they allow instructors to learn more about students, as well as aid in the development and application of useful teaching approaches and techniques. At the undergraduate level there is a noticeable lack of research on learning style preferences of students enrolled in gross anatomy courses. The Index of Learning Styles (ILS) questionnaire was administered to students enrolled in a large enrollment undergraduate gross anatomy course with laboratory to determine their preferred learning styles...
November 2, 2017: Anatomical Sciences Education
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