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https://www.readbyqxmd.com/read/29792856/comparison-of-the-3-d-patterns-of-the-parasympathetic-nervous-system-in-the-lung-at-late-developmental-stages-between-mouse-and-chicken
#1
Tadayoshi Watanabe, Ryo Nakamura, Yuta Takase, Etsuo A Susaki, Hiroki R Ueda, Ryosuke Tadokoro, Yoshiko Takahashi
Although the basic schema of the body plan is similar among different species of amniotes (mammals, birds, and reptiles), the lung is an exception. Here, anatomy and physiology are considerably different, particularly between mammals and birds. In mammals, inhaled and exhaled airs mix in the airways, whereas in birds the inspired air flows unidirectionally without mixing with the expired air. This bird-specific respiration system is enabled by the complex tubular structures called parabronchi where gas exchange takes place, and also by the bellow-like air sacs appended to the main part of the lung...
May 21, 2018: Developmental Biology
https://www.readbyqxmd.com/read/29787864/the-neonatal-brain-in-critical-congenital-heart-disease-insights-and-future-directions
#2
REVIEW
Shabnam Peyvandi, Beatrice Latal, Steven P Miller, Patrick S McQuillen
Neurodevelopmental outcomes are impaired in survivors of critical congenital heart disease (CHD) in several developmental domains including motor, cognitive and sensory outcomes. These deficits can extend into the adolescent and early adulthood years. The cause of these neurodevelopmental impairments is multi-factorial and includes patient specific risk factors, cardiac anatomy and physiology as well as brain changes seen on MRI. Advances in imaging techniques have identified delayed brain development in the neonate with critical CHD as well as acquired brain injury...
May 19, 2018: NeuroImage
https://www.readbyqxmd.com/read/29784491/neonatal-and-pediatric-arrhythmias-clinical-and-electrocardiographic-aspects
#3
REVIEW
Fabrizio Drago, Irma Battipaglia, Corrado Di Mambro
Arrhythmias have acquired a specific identity in pediatric cardiology, but for pediatric cardiologists it has always been difficult to recognize and treat them. Changes in anatomy and physiology result in electrocardiogram features that differ from the normal adult pattern and vary according to the age of the child. Sinus arrhythmia, ectopic atrial rhythm, "wandering pacemaker," and junctional rhythm can be normal characteristics in children (15%-25% of healthy children can have these rhythms on the electrocardiogram)...
June 2018: Cardiac Electrophysiology Clinics
https://www.readbyqxmd.com/read/29782617/patient-specific-neurosurgical-phantom-assessment-of-visual-quality-accuracy-and-scaling-effects
#4
Felipe Wilker Grillo, Victor Hugo Souza, Renan Hiroshi Matsuda, Carlo Rondinoni, Theo Zeferino Pavan, Oswaldo Baffa, Helio Rubens Machado, Antonio Adilton Oliveira Carneiro
Background: Training in medical education depends on the availability of standardized materials that can reliably mimic the human anatomy and physiology. One alternative to using cadavers or animal bodies is to employ phantoms or mimicking devices. Styrene-ethylene/butylene-styrene (SEBS) gels are biologically inert and present tunable properties, including mechanical properties that resemble the soft tissue. Therefore, SEBS is an alternative to develop a patient-specific phantom, that provides real visual and morphological experience during simulation-based neurosurgical training...
2018: 3D printing in medicine
https://www.readbyqxmd.com/read/29781570/effect-of-motor-based-speech-intervention-on-articulatory-placement-in-the-treatment-of-a-posterior-nasal-fricative-a-preliminary-mri-study-on-a-single-subject
#5
Kazlin N Mason, Eshan Pua, Jamie L Perry
BACKGROUND: Posterior nasal fricatives are a learned compensatory articulation error and commonly substituted for oral fricatives. Treatment of such articulation errors requires the modification or teaching of skilled movements. A motor-based approach is designed to teach the complex motor skill movement sequences required in the production of sounds. Although motor learning research is well established, little has been done to determine how the approach changes the underlying physiology of articulatory movements...
May 21, 2018: International Journal of Language & Communication Disorders
https://www.readbyqxmd.com/read/29780715/endovascular-treatment-of-acute-type-a-aortic-dissection-the-endo-bentall-approach
#6
Maximilian Kreibich, Bartosz Rylski, Stoyan Kondov, Julia Morlock, Johannes Scheumann, Fabian A Kari, Holger Schröfel, Matthias Siepe, Friedhelm Beyersdorf, Martin Czerny
Outcome after classical surgical repair of acute Type A aortic dissection has steadily improved over the years and several modifications in cannulation and perfusion added to this achievement. However, subgroups remain where results of classical surgical repair still have room for improvement, particularly patients with severe preoperative malperfusion as well as elderly patients with a limited physiological reserve. So far, only small case series or case reports have been published on the endovascular treatment of dissected ascending aortas...
2018: Journal of Visualized Surgery
https://www.readbyqxmd.com/read/29779594/disorders-of-the-diaphragm
#7
REVIEW
F Dennis McCool, Kamran Manzoor, Taro Minami
Pathologic processes that involve the central nervous system, phrenic nerve, neuromuscular junction, and skeletal muscle can impair diaphragm function. When these processes are of sufficient severity to cause diaphragm dysfunction, respiratory failure may be a consequence. This article reviews basic diaphragm anatomy and physiology and then discusses diagnostic and therapeutic approaches to disorders that result in unilateral or bilateral diaphragm dysfunction. This discussion provides a context in which disorders of the diaphragm and their implications on respiratory function can be better appreciated...
June 2018: Clinics in Chest Medicine
https://www.readbyqxmd.com/read/29777319/what-does-sex-have-to-do-with-it-the-role-of-sex-as-a-biological-variable-in-the-development-of-posttraumatic-stress-disorder
#8
REVIEW
Sara L Kornfield, Liisa Hantsoo, C Neill Epperson
PURPOSE OF REVIEW: This review highlights the neurobiological aspects of sex differences in posttraumatic stress disorder (PTSD), specifically focusing on the physiological responses to trauma and presents evidence supporting hormone and neurosteroid/peptide differences from both preclinical and clinical research. RECENT FINDINGS: While others have suggested that trauma type or acute emotional reaction are responsible for women's disproportionate risk to PTSD, neither of these explanations fully accounts for the sex differences in PTSD...
May 18, 2018: Current Psychiatry Reports
https://www.readbyqxmd.com/read/29775596/digital-museum-of-retinal-ganglion-cells-with-dense-anatomy-and-physiology
#9
J Alexander Bae, Shang Mu, Jinseop S Kim, Nicholas L Turner, Ignacio Tartavull, Nico Kemnitz, Chris S Jordan, Alex D Norton, William M Silversmith, Rachel Prentki, Marissa Sorek, Celia David, Devon L Jones, Doug Bland, Amy L R Sterling, Jungman Park, Kevin L Briggman, H Sebastian Seung
When 3D electron microscopy and calcium imaging are used to investigate the structure and function of neural circuits, the resulting datasets pose new challenges of visualization and interpretation. Here, we present a new kind of digital resource that encompasses almost 400 ganglion cells from a single patch of mouse retina. An online "museum" provides a 3D interactive view of each cell's anatomy, as well as graphs of its visual responses. The resource reveals two aspects of the retina's inner plexiform layer: an arbor segregation principle governing structure along the light axis and a density conservation principle governing structure in the tangential plane...
May 17, 2018: Cell
https://www.readbyqxmd.com/read/29773513/insights-in-the-history-of-pancreas-restoring-the-true-meaning-of-kallikreas
#10
REVIEW
Niki Papavramidou
BACKGROUND/PURPOSE: This paper investigates the history of pancreas in classical and late antiquity with the intent to correlate it to the modern medical knowledge. Furthermore, an attempt is made to understand the true meaning of the term "kallikreas". METHODS: Only primary textual sources are used in the transcription of ancient references of "pancreas" and/or "kallikreas". All of the references are analyzed and interpreted under a modern prism for better understanding the ancient anatomy proposed...
May 4, 2018: Pancreatology: Official Journal of the International Association of Pancreatology (IAP) ... [et Al.]
https://www.readbyqxmd.com/read/29771958/cooperation-of-bmp-and-ihh-signaling-in-interdigital-cell-fate-determination
#11
Arunima Murgai, Sara Altmeyer, Stephanie Wiegand, Przemko Tylzanowski, Sigmar Stricker
The elaborate anatomy of hands and feet is shaped by coordinated formation of digits and regression of the interdigital mesenchyme (IM). A failure of this process causes persistence of interdigital webbing and consequently cutaneous syndactyly. Bone morphogenetic proteins (BMPs) are key inductive factors for interdigital cell death (ICD) in vivo. NOGGIN (NOG) is a major BMP antagonist that can interfere with BMP-induced ICD when applied exogenously, but its in vivo role in this process is unknown. We investigated the physiological role of NOG in ICD and found that Noggin null mice display cutaneous syndactyly and impaired interdigital mesenchyme specification...
2018: PloS One
https://www.readbyqxmd.com/read/29762883/associative-bacteria-influence-maize-zea-mays-l-growth-physiology-and-root-anatomy-under-different-nitrogen-levels
#12
Anderson Kikuchi Calzavara, Pedro Henrique Godoy Paiva, Lorrant Cavanha Gabriel, André Luiz Martinez de Oliveira, Karina Milani, Halley Caixeta Oliveira, Edmilson Bianchini, José Antonio Pimenta, Maria Cristina Neves de Oliveira, Jaqueline Dias-Pereira, Renata Stolf-Moreira
Despite the great diversity of plant growth-promoting bacteria (PGPB) with potential to partially replace the use of N-fertilizers in agriculture, few PGPB are explored for the production of commercial inoculants, reinforcing the importance of identifying positive plant-bacteria interactions. Aiming to better understand the influence of PGPB inoculation in plant development, two PGPB species with distant phylogenetic relationship were inoculated in maize. Maize seeds were inoculated with Bacillus sp. or Azospirillum brasilense...
May 15, 2018: Plant Biology
https://www.readbyqxmd.com/read/29761471/the-infrapatellar-fat-pad-and-the-synovial-membrane-an-anatomo-functional-unit
#13
REVIEW
Veronica Macchi, Elena Stocco, Carla Stecco, Elisa Belluzzi, Marta Favero, Andrea Porzionato, Raffaele De Caro
The infrapatellar pad, a fibro-adipose tissue with peculiar microscopic and mechanical features, is gaining wide attention in the field of rheumatological research. The purpose of this descriptive review is to summarize the most recent published evidence on the anatomic, physiologic and biomechanical inter-relationship between the infrapatellar fat pad and the knee synovial membrane. As an extrasynovial tissue, the infrapatellar fat pad does not directly interact with the articular cartilage; based on its location in close contact with the synovial membrane, and due to the metabolic properties of adipose tissue, it may influence the behavior of the synovial membrane...
May 14, 2018: Journal of Anatomy
https://www.readbyqxmd.com/read/29760363/-education-of-physiology-in-nursing-school-common-issues-and-measures-with-pharmacology
#14
Yuka Saeki
Anatomy, physiology or pharmacology is the important subject in nursing education. Nursing education is established in a law since 1951. Although the law is revised many times according to social situation, the subjects like physiology have been positioned as a basic specialized subject in the law now. Physiology is educated at 1st grade in most nursing school. However, there are some problems in educating physiology. First, academic ability in nursing students tend to decline recently. For example, there are some students who cannot solve simple arithmetic...
2018: Nihon Yakurigaku Zasshi. Folia Pharmacologica Japonica
https://www.readbyqxmd.com/read/29758190/conserved-characteristics-of-ocular-refractive-development-did-the-eye-evolve-once
#15
REVIEW
Jacob G Sivak, Jeremy M Sivak
It has been speculated that the unitary eyes of vertebrates and molluscs, and the compound eyes of insects and crustaceans, evolved separately. On the other hand, the common use of rhodopsin as a photoreceptor molecule, and the conservation of Pax6 as a master control gene for eye development, suggest instead that the eye evolved once. Yet, recently the molecular genetics that had seemed to suggest a definitive answer to this evolutionary point has once again become cloudy. Here we propose an alternative approach to addressing the question of eye evolution through comparative analyses of physiological optics...
May 11, 2018: Experimental Eye Research
https://www.readbyqxmd.com/read/29757965/nutrition-of-six-selected-neo-tropical-mammals-in-trinidad-and-tobago-with-the-potential-for-domestication
#16
REVIEW
Kavita Ranjeeta Lall, Kegan Romelle Jones, Gary Wayne Garcia
This review highlights the available literature on the nutrition of six neo-tropical animals with the potential for domestication-the agouti ( Dasyprocta leporina / D. aguti ), lappe ( Agouti paca ), capybara ( Hydrochoerus hydrochaeris ), manicou/opossum ( Didelphis marsupialis insularis ), collared peccary ( Peccary tajucu ) and the red brokcet deer ( Mazama americana ). Over 100 references were used, spanning over 100 years. The earliest being 1915 and the most recent being 2018. The references used in this review were synthesized to give a detailed look of the dentition, anatomy of the gastrointestinal tract and type of feed these animals consume...
May 14, 2018: Veterinary Sciences
https://www.readbyqxmd.com/read/29756614/transoral-glossoepiglottopexy-in-the-treatment-of-adult-obstructive-sleep-apnoea-a-surgical-approach
#17
V Roustan, M Barbieri, F Incandela, F Missale, H Camera, F Braido, R Mora, G Peretti
The treatment of obstructive sleep apnoea syndrome (OSAS) is still a matter of debate; among the different therapeutic alternatives, both surgical and conservative, treatment with continuous positive airway pressure (CPAP) is considered the "gold standard". The recent scientific literature reports that even if CPAP represents an effective solution for sleep apnoeas, 12% of patients do not benefit from its use. In most cases, primary collapse of the epiglottis is responsible for failure. We developed a surgical technique that provides a stable support to the epiglottis without influencing its function during swallowing while preserving laryngeal anatomy and physiology...
February 2018: Acta Otorhinolaryngologica Italica
https://www.readbyqxmd.com/read/29754625/inguinal-hernia-mastering-the-anatomy
#18
REVIEW
Heidi J Miller
The success of an inguinal hernia repair is defined by the permanence of the operation while creating the fewest complications at minimal cost and allowing patients an early return to activity. This success relies and depends on the surgeon's knowledge and understanding of groin anatomy and physiology. This article reviews relevant anatomy to inguinal hernia repair and technical steps to open tissue and mesh repairs as well as minimally invasive approaches.
June 2018: Surgical Clinics of North America
https://www.readbyqxmd.com/read/29754161/motion-corrected-whole-heart-pet-mr-for-the-simultaneous-visualisation-of-coronary-artery-integrity-and-myocardial-viability-an-initial-clinical-validation
#19
Camila Munoz, Karl P Kunze, Radhouene Neji, Teresa Vitadello, Christoph Rischpler, René M Botnar, Stephan G Nekolla, Claudia Prieto
PURPOSE: Cardiac PET-MR has shown potential for the comprehensive assessment of coronary heart disease. However, image degradation due to physiological motion remains a challenge that could hinder the adoption of this technology in clinical practice. The purpose of this study was to validate a recently proposed respiratory motion-corrected PET-MR framework for the simultaneous visualisation of myocardial viability (18 F-FDG PET) and coronary artery anatomy (coronary MR angiography, CMRA) in patients with chronic total occlusion (CTO)...
May 12, 2018: European Journal of Nuclear Medicine and Molecular Imaging
https://www.readbyqxmd.com/read/29753817/arch-augmentation-via-median-sternotomy-for-coarctation-of-aorta-with-proximal-arch-hypoplasia
#20
W Hampton Gray, Winfield J Wells, Vaughn A Starnes, S Ram Kumar
BACKGROUND: Coarctation of the aorta can be associated with hypoplasia of the proximal transverse aortic arch. One approach to manage this condition is via left thoracotomy and extended end-to-end anastomosis with the expectation that the proximal arch will grow over time. Our preferred approach is to augment the aorta via midline sternotomy. We hypothesized that this approach is safe, durable and allows reliable growth of the aorta. METHODS: We identified the records of patients with biventricular anatomy who had coarctation of the aorta, hypoplasia of the proximal transverse arch, and no other cardiac lesion that would mandate cardiopulmonary bypass use and midline sternotomy...
May 10, 2018: Annals of Thoracic Surgery
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