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Books > Medicine > Pre-clinical medicine: basic sciences > Physiology
This readable and student-friendly guide simplifies and clearly explains the complex concepts and processes of fluids and electrolytes in the human body. It utilizes a step-by-step learning approach and starts with the basics and advances to cover more complex issues. The new edition features revised NCLEX (R) examination-style questions and new case studies. Unique presentation of content allows students to survive and thrive. Material is presented using adult learning principles and various active-learning strategies to engage nursing students of all ages, backgrounds, and learning styles. Consistent chapter format breaks down information into small units and reinforces an effective thinking process. Special icons for Lifespan Considerations, Cultural Implications, Web Links, and Cautions help the student quickly identify special content in the chapter. Memory-reinforcing interactive activities (including fill-in the blank, matching, word jumbles, true/false, and crossword puzzles) promote student learning. Clinical terms and shorthand expressions are highlighted in parentheses to expose students to terminology that they will hear in the hospital setting. Boxed Take Home Points provide the benefit of years of nursing experience that students can use to prepare for their clinical rotation. Original cartoon-character illustrations walk the student through difficult subjects with a lighthearted approach. Cover design and series title better identifies the series as a fun and simple review. What You Will Learn section provides chapter objectives for the reader to aid in their navigation through the chapters. Over 100 NCLEX (R) examination-style review questions have been moved to the ends of chapters to immediately test student knowledge.
Assembles a collection of experts to provide a current account of different approaches (e.g., traditional, comparative and experimental) being applied to study mobility. Moreover, the book aims to stimulate new theoretical perspectives that adopt a holistic view of the interaction among intrinsic (i.e. skeletal) and extrinsic (i.e. environmental) factors that influence differential expression of mobility. Since the environment undoubtedly impacts mobility of a wide variety of animals, insights into human mobility, as a concept, can be improved by extending approaches to investigating comparable environmental influences on mobility in animals in general. The book teases apart environmental effects that transcend typical categories (e.g., coastal versus inland, mountainous versus level, arboreal versus terrestrial). Such an approach, when coupled with a new emphasis on mobility as types of activities rather than activity levels, offers a fresh, insightful perspective on mobility and how it might affect the musculoskeletal system.
Master the principles and skills of respiratory care for neonates, infants, and children! Neonatal and Pediatric Respiratory Care, 6th Edition provides a solid foundation in the assessment and treatment of respiratory disorders in children. Clear, full-color coverage simplifies the concepts of respiratory care while emphasizing clinical application. Reflecting the changing face of this profession, this edition unpacks care strategies with coverage of the newest treatment algorithms, interventions, mechanical ventilation technologies, and more. From an expert team of contributors led by Brian K. Walsh, an experienced respiratory therapist and researcher, this text is an excellent study tool for the NBRC's Neonatal/Pediatric Specialty examination. Authoritative, evidence-based content covers all of the major topics of respiratory care for neonates, infants, and children, including both theory and application, with an emphasis on an entry-level BS degree. Nearly 500 full-color illustrations - plus clear tables and graphs - make it easier to understand key concepts. Case studies include a brief patient history and questions for each, showing how concepts apply to the more difficult areas of care for neonatal and pediatric disorders. Complete test preparation is provided through coverage of all the content in the matrix for the 2020 NBRC neonatal/pediatric specialty (NPS) credentialing exam. Learning Objectives at the beginning of each chapter break down key content into measurable behaviors, criteria, and conditions. Key Points at the end of each chapter summarize the more important information in a bulleted format. Assessment Questions at the end of each chapter are written in the NBRC multiple-choice style as found on the Neonatal/Pediatric Specialty (NPS) exam, helping you become familiar with the NBRC testing format. Glossary makes it easy to find definitions of all of the book's key terminology. Answers to assessment and case study questions are provided on the Evolve website. NEW! Logical, easy-to-use organization divides the content into three sections of 1) Neonatal, 2) Pediatrics, and 3) Neonatal and Pediatric combined, mirroring the academic approach of most respiratory care programs. NEW! Updated content reflects the new matrix for the 2020 NBRC Neonatal/Pediatric Specialty (NPS) exam. NEW! Assessment Questions at the end of each chapter are updated to reflect the changes to the 2020 NBRC exam. NEW! Additional treatment algorithms of care are added to relevant chapters.
What a journey writing this text has been. The lengthy voyage started well before the idea hatched of authoring a text that contained the word "thermodynamics"! I was informed by my good friend and sometimes colleague Dr. Jose Antonio that by including that word in the title, nutritionists and exercise physiologists might avoid the subject. But almost every step of my expedition was taken on a rather solid foundation of thermodynamics and as such the topic could not possibly be omitted from the title or the text of a book about bioenergetics and energy expenditure. I am not a physicist. In fact I ?rst went to college to become a football coach. That vocational choice began to deteriorate when taking the mandatory anatomy and physiology courses required of all physical education majors. This information was exciting; my interest in physical education began to wane. During sophomore year, I answered an advertisement in the school newspaper requesting research subjects.
The eukaryotic translation machinery must recognize the site on a messenger RNA (mRNA) where decoding should begin and where it should end. The selection of the translation start site is generally given by the ?rst AUG codon encoding the amino acid methionine. D- ing initiation soluble translation initiation factors (eukaryotic translation initiation factors [eIFs] in eukaryotes and prokaryotic translation initiation factors [IFs] in prokaryotes) bind the mRNA, deliver the initiator Met-tRNA, and assemble to form a complete 80S ribosome from the 40S and 60S subunits. By progressing along the mRNA in the 5 -to-3 direction the ribosome decodes the information and translates it into the polypeptide chain. During this process, repeated delivery of amino-acyl tRNA (aa-tRNA) to the ribosome, peptide bond formation, movement of the mRNA, and the growing peptidyl-tRNA is mediated by both soluble elongation factors (eukaryotic translation elongation factors [eEFs] in euka- otes and prokaryotic translation elongation factors [EFs] in prokaryotes) and the activity of the ribosome. The ?nal step in the translation process occurs when one of the three t- mination codons occupies the ribosomal A-site. Translation comes to an end and soluble release factors (eukaryotic translation termination factors [eRFs] in eukaryotes and proka- otic translation termination factors [RFs] in prokaryotes) facilitate hydrolytical release of the polypeptide chain (for recent reviews, see Inge-Vechtomov et al. 2003; Kisselev et al. 2003; Wilson and Nierhaus 2003; Kapp and Lorsch 2004).
H. Wegele, L. M ller, and J. Buchner: Hsp70 and Hsp90 A Relay Team for Protein Folding R. Sch lein: The Early Stages of the Intracellular Transport of Membrane Proteins: Clinical and Pharmacological Implications L. Schild: The Epithelial Sodium Channel: From Molecule to Disease
The study and modulation of cortical connections is a rapidly growing area in neuroscience. This unique book by prominent researchers in the field covers recent advances in this area. The first section of the book describes studies of cortical connections, modulation of cortical connectivity and changes in cortical connections with activities such as motor learning and grasping in primates. The second section covers the use of non-invasive brain stimulation to study and modulate cortical connectivity in humans. The last section describes changes in brain connectivity in neurological and psychiatric diseases, and potential new treatments that manipulate brain connectivity. This book provides an up-to-date view of the study of cortical connectivity, and covers its role in both fundamental neuroscience and potential clinical applications.
TheobservationthatabloodclotspontaneouslydissolveswasfirstdescribedbyDenys in1889. Subsequently,thebloodclottingsystemwasshowntobeinvolvedintumor growth. Forexample,asearlyas1925,Fisherreportedthataviantissueexplantstrans- formedtomalignancybyvirusesgeneratedhighlevelsoffibrinolyticactivityundercon- ditionsinwhichculturesofnormalcellsdidnot. In1958,theconceptthatan equilibriumexistedbetweenthetendencyofbloodtoclotandtoremainfluidwaspro- posedbyAstrup. Atthattime,itwasbelievedthatthishemostaticbalancewasexplained bytheabilityofpolymerizingfibrintoorchestrateitsownclearancebystimulatingfib- rinolyticactivity. Sincethesepioneeringstudies,considerableinformationhasaccumu- latedthathasdefinedthecomponentsofthecoagulationandfibrinolyticsystemsand howtheyareinvolvedinphysiologicalandpathophysiologicalprocesses. Plasminogen: Structure, activation, and regulationfocusesonthebasicprinciplesandrecentdevelop- mentsintheplasminogen/plasminresearchfieldandhowtheseresultsprovideacon- ceptualframeworkforanunderstandingofthephysiologicalroleofplasminogenin healthanddisease. Theenzymaticcascadetriggeredbyactivationofplasminogenhasbeenimplicated inavarietyofnormalandpathologicaleventssuchasfibrinolysis,woundhealing,tis- sueremodeling,embryogenesis,angiogenesis,andtheinvasionandmetastasisoftumor cells. Thisimpressivelistofphysiologicalfunctionsforplasminogenreinforcesthewide diversityofrolesthatplasminogenplaysinvariousphysiologicalprocesses. Productive plasmingenerationrequirestheassemblyofbothplasminogenactivatorsandplasmino- genonasolidsupportsuchasthefibrinpolymerorthecellsurface. Theregulationof plasminproductioninvolvesacomplexinterplaybetweentheseplasminogenactivators, plasminogenactivatorinhibitors,andplasmininhibitors. Clearly,theexplosivegrowth inthisresearchfieldandthemanyexcitingdiscoveriessuggeststhattheresearchefforts inthenextdecadewillrevealthemechanismsbywhichthecomponentsoftheplas- minogensysteminteractandregulatebothplasminactivationandfunctionatacellular level. Plasminogen: Structure, activation, and regulationisdividedintotwosections. Thefirstsectiondealswiththestructureandregulationofplasminogen. Thechapters inthissectionrangefromdiscussionsofthestructureofplasminogenandtheregulation oftheplasminogengenetodiscussionsofthestructureandregulationofplasminogen activatorsandplasminogenactivatorinhibitors. Alsoexaminedistherelativelynewdata concerningthegenerationofanti-angiogenicmoleculesfromplasminogen. Thesecond sectiondealswiththephysiologicalandpathophysiologicalrolesofplasminogenaswell astheconsequencesofplasminogengeneknockout. Discussionsinthissectioninclude examinationoftheroleofplasminogeninhematopoieticmalignancies,tumorcell progression,angiogenesis,mammaryglandinvolution,woundhealing,andbone readsorption. xi xii Preface Inclosing,Iwouldliketothankmyadministrativeassistant,Ms. ViSommerfeld,for herinvaluableassistanceandtimelesseffortswiththeorganizationandeditingofthebook. Lastly,Iwouldliketoacknowledgetheeffortsoftheauthorsoftheindividualchapters, whoareauthorities inthisfield,foragreeingtotaketimefrombusyschedulestoprovide thesechaptersinatimelyfashion. DavidMortonWaisman Contents Part I. Plasminogen: Structure and Regulation 1. Human Plasminogen: Structure, Activation, and Function FrancisJ. Castellino and Victoria A. Ploplis 1. Introduction 3 2. StructureofHumanPlasminogen...3 2. 1. PrimaryProteinStructure...3 2. 2. GeneOrganization 5 3. ActivationofHumanPlasminogen...6 3. 1. ActivationbyPhysiologicalActivators 7 3. 1. 1. Urokinase-typePlasminogenActivator...7 3. 1. 2. Tissue-typePlasminogenActivator...8 3. 2. ActivationbyBacterial-derivedPlasminogenActivators...9 3. 2. 1. Streptokinase 9 3. 2. 2. Staphylokinase...9 4. TargetsforPlasminActivity...9 5. DysplasminogenemiasandPhenotypicManifestations 10 6. Conclusions 11 References...11 2. Plasminogen Activators: Structure and Function Vincent Ellis 1. Introduction ...19 2. SerineProteases...20 3. UrokinasePlasminogenActivator,uPA...21 3. 1. SerineProteaseDomain 22 3. 2. N-terminalDomains...24 3. 2. 1. KRModule 24 3. 2. 2. EGModule 24 4. MechanismsRegulatinguPAFunction...25 4. 1. ZymogenActivation...25 4. 2. ZymogenActivity...26 4. 3. ReciprocalZymogenActivation 27 4. 4. uPARStimulationofPlasminogenActivation...27 4. 4. 1. uPAandtheTemplateMechanism 28 4. 4. 2. PlasminogenandtheTemplateMechanism 29 4. 5. AvianuPA,aSpecialCase? 30 xiii xiv Contents 5. TissuePlasminogenActivator,tPA...30 5. 1. SerineProteaseDomain 31 5. 2. N-terminalDomains ,...33 5. 2. 1. KRModules ,. . ,. . ,...33 5. 2. 2. F1-EGSupermodule 33 6.
A successful Wall Street trader turned neuroscientist reveals how
risk taking and stress transform our body chemistry
The craniofacial musculature, including the extraocular muscles, muscles associated with the auditory system, the masseter, the tongue, and the laryngeal and pharyngeal muscles, all participate in functions that are critical to life: vision, intact of nutrition, breathing, and hearing. Despite their critical importance, the majority of research on skeletal muscle basically has ignored this collection of muscles. This is most likely due to their complexity in form, development, fiber types, physiology, and disease profiles. All these make these muscles extremely difficult to study. Vision depends on voluntary and reflexive eye movements initiated by the oculomotor system. The effector arm of this motor system includes the extraocular muscles and their motor neurons. Mastication, and therefore food intake, depends on the complex movements of the masseter and tongue musculature. The effector arm of this motor system includes the masseter and tongue muscles and their motor neurons. Respiration, human phonation, as well as gestation, depend on the laryngeal and pharyngeal musculature. The effector arm of these motor systems includes the intrinsic and extrinsic laryngeal muscles and the pharyngeal muscles and their motor neurons. Recently there has been a renewed interest in understanding the basic cell biology and pathologies associated with these unusual skeletal muscles. This book will highlight novel findings on the development of these muscles and their innervation, metabolic design, functional consequences of their structural organization, and potential reasons for their differential response to various neuromuscular diseases. In addition, critical areas for future studies will be identified.
The atlas of the Light and Specular Microscopy of the Cornea, particularly of the corneal endothelium presents photographs of healthy and pathological corneas, as well as corneas prepared for grafting. Photographs are taken from donor or patient's corneas. The first part section of the atlas shows healthy corneas and its particular layers: the epithelium (superficial and basal cells, subepithelial nerve plexus), stroma and keratocytes, and the endothelium. Blood vessels or palisades of Vogt in limbus are shown as well. The second part section that shows corneas processed for grafting is focused focuses on the endothelial layer. Main causes of exclusion of corneas from grafting, such as the presence of dead cells, polymeghatism, pleomorphism, cornea guttata or stromal scars have been shown. The third part section of the atlas shows corneas before and after storage in tissue cultures or hypothermic conditions with the aim to assess its suitability of for tissue for grafting. The last final section contains photographs of pathological corneal explants
New experimental observations often require fresh concepts for their interpretation, and at times even changes of paradigms. This is the situation with the recent realization that circulating endothelial progenitor cells may have an important contribution to the maintenance and formation of new endothelium in adult organisms, in a surprisingly wide variety of situations. The classical paradigm of angiogenesis, centered on the notion of "sprouting" can hardly accommodate them. It was previously realized that it needs to be "stretched out" to include alternative mechanisms of microvascular development, such as intussusception and capillary fusion. However, a major debate where to reconsider the sprouting mechanism, and to promote alternative views, did not take place yet. The number of publications in this field increased exponentially in the last years. Nevertheless, the concepts and notions so much needed to describe and to explain the new observations are still scarce, and heterogeneous. Within the larger community dedicated to the study of angiogenesis, the researchers involved in investigation of circulating precursor endothelial cells biology represent a subgroup with specific preoccupations and opinions. Many of them did not meet each other so far, and no major scientific events have been dedicated before exclusively to their interests. For the above reasons, the idea to organize a symposium addressing the new developments in angiogenesis research was received with enthusiasm by all those involved in its preparation.
This book contains a collection of papers that were presented at the IUTAM Symposium on "Computer Models in Biomechanics: From Nano to Macro" held at Stanford University, California, USA, from August 29 to September 2, 2011. It contains state-of-the-art papers on: - Protein and Cell Mechanics: coarse-grained model for unfolded proteins, collagen-proteoglycan structural interactions in the cornea, simulations of cell behavior on substrates - Muscle Mechanics: modeling approaches for Ca2+-regulated smooth muscle contraction, smooth muscle modeling using continuum thermodynamical frameworks, cross-bridge model describing the mechanoenergetics of actomyosin interaction, multiscale skeletal muscle modeling - Cardiovascular Mechanics: multiscale modeling of arterial adaptations by incorporating molecular mechanisms, cardiovascular tissue damage, dissection properties of aortic aneurysms, intracranial aneurysms, electromechanics of the heart, hemodynamic alterations associated with arterial remodeling following aortic coarctation, patient-specific surgery planning for the Fontan procedure - Multiphasic Models: solutes in hydrated biological tissues, reformulation of mixture theory-based poroelasticity for interstitial tissue growth, tumor therapies of brain tissue, remodeling of microcirculation in liver lobes, reactions, mass transport and mechanics of tumor growth, water transport modeling in the brain, crack modeling of swelling porous media - Morphogenesis, Biological Tissues and Organs: mechanisms of brain morphogenesis, micromechanical modeling of anterior cruciate ligaments, mechanical characterization of the human liver, in vivo validation of predictive models for bone remodeling and mechanobiology, bridging scales in respiratory mechanics
This book is the proceedings of the Falk Symposium No. 135 held in Prague, Czech Republic, on September 12-13, 2003, and is dedicated to the important issue of immunological aspects of diseases of the liver and gut. Without any doubt, immunological pathways are among the most important and universal factors in the pathogenesis of all diseases. Their importance is also constantly increasing, because these principles have been adopted in clinical practice for both diagnostic and therapeutic procedures. Chapters by prominent experts will stimulate new ideas and set the scene for productive discussion on this topic.
In just under three decades, the world has witnessed an enormous rise in obesity with a parallel growth in cardiometabolic disease risk factors characterized by insulin resistance, dyslipidemia, and hypertension, together known as the metabolic syndrome - conditions previously unheard of in children and adolescents. During this time, we have little knowledge of the global and cumulative detrimental health effects of childhood obesity. As obese children age, not only will their health be negatively affected, but infertility and pregnancy complications associated with the metabolic syndrome will affect generations to come. The work force will undoubtedly be affected because of increased sick days and decreased work productivity. Identifying children and adolescents at the earliest stages of chronic disease onset should be the goal of clinical practice, yet there is no clear guidance for defining the risk of metabolic syndrome or appropriate risk-factor thresholds in these groups. If children are identified early in the disease process, lifestyle and clinical interventions can be instituted when they are potentially more effective. Pediatric Metabolic Syndrome: Comprehensive Clinical Review and Related Health Issues approaches the pediatric metabolic syndrome by elucidating its effects on specific organ systems and by considering the problem through understanding the social, psychological and economic consequences of it. The Editors have recruited an invited group of esteemed experts in the field to provide the most timely and informative approaches on how to deal with this health crisis. Through educating our practitioners, our future researchers, our health and community organizations, our legislators and our families and children, we have the best chance at improving the health trajectory of the next generation.
Although 20 million Americans are affected by thyroid disease (85 per cent of them women), misinformation about the disease continues to spread. An up-to-date comprehensive resource, this book helps readers understand just what is, and is not, thyroid disease. Including recent medical developments, patient profiles, photos and illustrations, and a section on 'Thyroid Newsmakers' -- from Muhammed Ali to Joe Piscopo -- the book contains answers to all the questions you think of after you leave the doctor's office.
Covering all aspects of oxygen delivery to tissue, including blood flow and its regulation as well as oxygen metabolism, this book is multidisciplinary and designed to bring together experts and students from a range of research fields including biochemical engineering, physiology, microcirculation, and hematology.
"Research into gastrointestinal motility has received renewed interest in part due to recent advances in the techniques for measuring the structure and function of gastrointestinal cells, tissue and organs. The integration of this wealth of data into biophysically based computation models can aid in interpretation of experimental and clinical measurements and the refinement of measurement techniques." "The contents of this book span multiple scales - from cell, tissue, organ, to whole body and is divided into four broad sections covering: i) gastrointestinal cellular activity and tissue structure; (ii) techniques for measuring, analyzing and visualizing high-resolution extra-cellular recordings; (iii) methods for sensing gastroelectrical activity using non-invasive bio-electro-magnetic fields and for modulating the underlying gastric electrical activity and finally (iv) methods for assessing manometric and videographic motility patterns and the application of these data for predicting the flow and mixing behavior of luminal contents by using computational fluid dynamic techniques. " "This book aims to provide both an overview of historical and existing research techniques as well as to highlight future directions and challenges for the community as a whole. It will be suitable for clinicians to understand the cellular and biophysical underpinnings of gastric emptying, gastroenterologists, surgeons, bioengineers and all scientists with interests in gastrointestinal motility research."
Nanotechnology is a collective term describing a broad range of relatively novel topics. Scale is the main unifying theme, with nanotechnology being concerned with matter on the nanometer scale. A quintessential tenet of nanotechnology is the precise self-assembly of nanometer-sized components into ordered devices. Nanotechnology seeks to mimic what nature has achieved, with precision at the nanometer level down to the atomic level. Nanobiotechnology, a division of nanotechnology, involves the exploitation of biomaterials, devices or methodologies in the nanoscale. In recent years a set of b- molecules has been studied and utilized. Virus particles are natural nanomaterials and have recently received attention for their tremendous potential in this field. The extensive study of viruses as pathogens has yielded detailed knowledge about their biological, genetic, and physical properties. Bacterial viruses (bacte- ophages), plant and animal eukaryotic viruses, and viruses of archaea have all been characterized in this manner. The knowledge of their replicative cycles allows manipulation and tailoring of particles, relying on the principles of self-assembly in infected hosts to build the base materials. The atomic resolution of the virion structure reveals ways in which to tailor particles for higher-order functions and assemblies.
"Metallomics and the Cell" provides in an authoritative and timely manner in 16 stimulating chapters, written by 37 internationally recognized experts from 9 nations, and supported by more than 3000 references, several tables, and 110 illustrations, mostly in color, a most up-to-date view of the "metallomes" which, as defined in the "omics" world, describe the entire set of biomolecules that interact with or are affected by each metal ion. The most relevant tools for visualizing metal ions in the cell and the most suitable bioinformatic tools for browsing genomes to identify metal-binding proteins are also presented. Thus, MILS-12 is of relevance for structural and systems biology, inorganic biological chemistry, genetics, medicine, diagnostics, as well as teaching, etc. |
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