Mit Beitr Gen Von Grady T Turner Et Al

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Abdominal Angiography

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Author : Werner Wenz
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Abdominal Angiography written by Werner Wenz and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.

The brilliant yet simple idea of introducing a catheter percutaneously into an artery, without first dissecting it free, using a flexible guide wire, has led to a truly revolutionary breakthrough in abdominal x-ray diag nosis (SELDINGER, 1953). In the meantime, methods and techniques for injecting contrast media into various vessels have become largely standardized; innumerable publications have appeared which deal with every conceivable aspect of angiographic technique and interpretation. This volume is designed to present our experience with abdominal angiography. We deliberately refrained from any systematic discussion of the genitourinary tract, which has been adequately dealt with in the literature, also with respect to angiographic findings. Our interest in the retroperitoneal region is based mainly on its significance in differential diagnosis. In ten years of angiographic activity, our Department had made successful use of a simple technique which appears suitable also for smaller hospitals. We wish to point out its diagnostic potential and, at the same time, to outline its limitations. Our experience embraces 2804 abdominal angiograms, which we have classified according to clinical and morphologic anatomical criteria. Their diagnostic interpretation has been compared with the surgical or histopathological results. This may help others to avoid errors of the type which we discovered in our own work. Angiographic diagnosis requires not only familiarity with normal radiographic anatomy, but also specific knowledge of angiographic patho morphology. We have tried to identify those features which typify the individual findings and to derive therefrom valid generalizations with the aid of simple sketches.

Mechanism Of Action Of Antieukaryotic And Antiviral Compounds

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Author : Fred E. Hahn
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Mechanism Of Action Of Antieukaryotic And Antiviral Compounds written by Fred E. Hahn and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.

When Antibiotics I was published in 1967, the teleological view was held by some that" antibiotics" were substances elaborated by certain microorgan isms for the purpose of competing with other microorganisms for survival in mixed ecological environments. However, not only had J. EHRLICH and his associates shown 15 years earlier that chloramphenicol was produced by Strepto myces venezuelae in cultures of sterilized soils but not in parallel cultures of the same soils which were not sterilized, but operationally, the search for anti cancer antibiotics was actively under way (Antibiotics I reporting on numerous such substances), although the concept of antibiosis could not logically justify such undertakings. This editor hesitates to accept the use of the term "antibiotic" for anti microbial agents of non microbiological origins which is sometimes encountered, but neither does he subscribe to the view that antibiotics are in some fundamental manner different from chemotherapeutic substances of other origins. Modes and mechanisms of action of chemotherapeutic compounds are not systematic functions of their origins nor of the taxonomical position of the target organisms. Consequently, in the selection of topics for Antibiotics III (published in 1975), synthetic drugs and natural products of higher plants (alkaloids) were represented, along with antibiotics in the strict sense of the definition. We now present Antibiotics V, for whose assembly the same selection criteria were applied as for Antibiotics Ill. The aggregate length of the contributions rendered it impractical to place the entire text between the covers of one book.

Clues In The Diagnosis Of Non Tumoral Testicular Pathology

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Author : Manuel Nistal
language : en
Publisher: Springer
Release Date : 2017-03-07

Clues In The Diagnosis Of Non Tumoral Testicular Pathology written by Manuel Nistal and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2017-03-07 with Medical categories.

This book presents the morphology of different non-tumoral lesions of the testis. By showing the differential diagnosis of each lesion, it offers clinicians vital support with diagnosis and treatment. The book is divided into seven main parts: genetic and developmental pathology of the testis; infertility; vascular pathology of the testis; inflammatory pathology; pathology of the rete testis and epididymis; pathology of the vaginal tunic and paratesticular structures; and a final part dealing with miscellanea. Each chapter includes carefully selected figures and a variety of diagrams highlighting the main characteristics of a specific lesion to facilitate its diagnosis.Based on the authors’ experience with hundreds of biopsies, surgical specimens and autopsies, the book presents material that has been gathered over the past 40 years, providing an essential tool for pathologists, urologists, andrologists and pediatricians who face diagnostic problems.

Acromegaly

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Author : Richard J. Robbins
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Acromegaly written by Richard J. Robbins and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.

The manuscripts in this volume were contributed by the speakers invited to the Acromegaly Centennial Symposium held in San Francisco, California in July 1986. The meeting was organized to commemorate the description of acromegaly by the French physician Pierre Marie, in 1886. The members of the Scientific Committee spent many hours assisting us in ensuring an outstanding meeting. The support of Serono Symposia, USA in all phases of the planning and execution of the meeting was sincerely appreciated and was highly professional. Special recognition roust be extended to Professor Roger Guillemin of the Salk Institute, whosp interest in medical history led him to devote a great deal of time and personal expense in obtaining information about the life of Pierre Marie. Dr. GuilIemin's presentation on the life and times of Marie was an extraordinary overview of the cultural, social, and scientific backgrounds in which Marie came to describe the disease, acromegaly. Dr. Guillemin' s findings, which were presented at the main banquet in a splendid audiovisual presentation, were clearly the highlight of the meeting and will long be remembered by the attendees. We were also honored by the presence of Dr. Martine Pierre Marie Granier, the great-granddaughter of Pierre Harie. In her address at the banquet, Dr. Granier provided several delightful and intimate vignettes concerning Pierre Marie, using old family records and photographs. The Scientific Committee wishes to extend its gratitude to Dr. Granier for adding immeasurably to the historical atmosphere of the meeting.

Tropical Zooplankton

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Author : Henri J. Dumont
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-03-09

Tropical Zooplankton written by Henri J. Dumont and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2013-03-09 with Science categories.

Our knowledge of the limnology of the waters situated, roughly, between the tropics of cancer and of capricorn, has depended for a long time on the expedition-approach, and therefore developed in a rather irregular, haphazard way, with the personal incentive of a small number of individuals as the main driving force. Things slowly started to change in the 1950s, and at an accelerating rate in the 1960s and 1970s. The IBP, and later the SCOPE and MAB programs, whatever their shortcomings are or may have been, promoted in-depth research of a small number of tropical lakes. For one thing, they showed the need for the creation of in situ limnological research institutes. When, in the 1970s, limnological research facilities or their nuclei began to appear in the tropical zones of all continents, an interesting phenomenon occurred: while most of the young native limnologists had received their training in advanced centres or courses held in the temperate (and developed) climatic zones, quite a few of their former supervisors or their associates became interested in warm lakes and rivers as well, using the new or newly expanded local institutes. We are, today, still in this phase and it is, apparently, expanding even further. Although not all experiments of this kind lead to happy marriages, a few were quite successful, and several papers contained in the present volume are hoped to reflect this.

The Vitreous And Vitreoretinal Interface

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Author : Charles L. Schepens
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

The Vitreous And Vitreoretinal Interface written by Charles L. Schepens and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Medical categories.

Ophthalmic researchers and clinicians alike increasingly are recognizing the importance of the vitreous body in the physiology, biochemistry, and pathology of the inner eye. The Vitreous and Vitreoretinal Interface, with contributions by vitreoretinal surgeons and laboratory eye researchers, presents the most up-to-date clinically relevant data. This book provides evidence of the vitreous body's significant role in preserving retinal homeostasis, as well as the close connection between vitreous traction and such conditions as retinal inflammation, retinal vascular occlusions, macular edema, proliferative diabetic retinopathy, and giant retinal tears. The particular vitreal changes that occur in aphakia, myopia, retinitis pigmentosa, and idiopathic giant retinal breaks, as well as recent advances in open-sky vitreous surgery and in the search for useful vitreous substitutes are discussed.

Biology Of Turbellaria And Some Related Flatworms

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Author : Lester R.G. Cannon
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Biology Of Turbellaria And Some Related Flatworms written by Lester R.G. Cannon and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Turbellaria, the mainly free-living flatworms, and some of their parasitic relatives, are among the simplest of the metazoa and, as such, provide ideal models for a wide range of fundamental studies. The 60 contributions to Biology of Turbellaria and some Related Flatworms cover taxonomy and phylogeny, biogeography and genetics, ecology and behaviour, Anatomy and ultrastructure, development and regeneration, genes and sequences, and neurophysiology. Biology of Turbellaria and some Related Flatworms is the most recent compilation in the series published in Hydrobiologia since 1981, covering research on these flatworms assembled by the world's leading authorities on the group. Audience: These papers present the advanced student and serious researcher with up to date information on an important, but often neglected group whose place in the animal kingdom demands greater attention.

Algal Cell Motility

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Author : Michael Melkonian
language : en
Publisher: Springer Science & Business Media
Release Date : 2012-12-06

Algal Cell Motility written by Michael Melkonian and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-12-06 with Science categories.

Algae exhibit the greatest variety of cell motility phenomena in the living world. These range from the peculiar gliding motility of filamentous blue green algae or cyanobacteria to chloroplast movements and cytoplasmic streaming which are most common in higher plants. In addition, cell motility by eukaryotic flagella is the characteristic mode of cell locomotion in algal flagellates and most reproductive cells of algae. Algae use these cell motility systems mainly to orient themselves or their photosynthetic organelles in a suitable light gradient to optimize growth and reproduction. In consequence most of the motility systems are coupled to photoreceptors and are regulated by signal transduction cascades. Algal cell motility has thus attracted consid erable interest also from non-phycologists and some algal motility systems have become models of research in cell and molecular biology. This book summarizes some of the progress that has been made in recent years in the analysis of cell motility phenomena in the algae. Although complete coverage of the subject was not attempted, the six chapters cover all the major types of cell motility systems and the authors provide in depth reviews of gliding motility, chloroplast movements, cytoplasmic streaming, flagellar beat pat terns, mechanisms of flagellar movement and centrin-mediated cell motility.

Nutrient Requirements Of Nonhuman Primates

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Author : National Research Council
language : en
Publisher: National Academies Press
Release Date : 2003-03-01

Nutrient Requirements Of Nonhuman Primates written by National Research Council and has been published by National Academies Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2003-03-01 with Technology & Engineering categories.

This new release presents the wealth of information gleaned about nonhuman primates nutrition since the previous edition was published in 1978. With expanded coverage of natural dietary habits, gastrointestinal anatomy and physiology, and the nutrient needs of species that have been difficult to maintain in captivity, it explores the impact on nutrition of physiological and life-stage considerations: infancy, weaning, immune function, obesity, aging, and more. The committee also discusses issues of environmental enrichment such as opportunities for foraging. Based on the world's scientific literature and input from authoritative sources, the book provides best estimates of nutrient requirements. The volume covers requirements for energy: carbohydrates, including the role of dietary fiber; proteins and amino acids; fats and fatty acids; minerals, fat-soluble and water-soluble vitamins; and water. The book also analyzes the composition of important foods and feed ingredients and offers guidelines on feed processing and diet formulation.

Indoor Air

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Author :
language : en
Publisher:
Release Date : 1989

Indoor Air written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1989 with Indoor air pollution categories.