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Author: Heidemarie Halbritter
Publisher: Springer
ISBN: 3319713655
Category : Science
Languages : en
Pages : 487
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Book Description
This open access book offers a fully illustrated compendium of glossary terms and basic principles in the field of palynology, making it an indispensable tool for all palynologists. It is a revised and extended edition of “Pollen Terminology. An illustrated handbook,” published in 2009. This second edition, titled “Illustrated Pollen Terminology” shares additional insights into new and stunning aspects of palynology. In this context, the general chapters have been critically revised, expanded and restructured. The chapter “Misinterpretations in Palynology” has been extended with new research data and additional ambiguous terms, e.g., polyads vs. massulae; the chapter “Methods in Palynology” has been extensively enhanced with illustrated protocols showing the majority of the methods and techniques used when studying recent and fossil pollen with LM, SEM and TEM. Moreover, additional information about the description and publication of pollen data is provided in the chapter “How to Describe and Illustrate Pollen Grains.” Various other parts of the general chapters have now been updated and/or extended with more comprehensive textual passages and new illustrations. The chapter “Illustrated Pollen Terms” now features new and more appropriate examples of each term, including additional LM micrographs. Where necessary, the entries for selected pollen terms have been refined by rewording or adding definitions, illustrations, and new micrographs. Lastly, new terms are included, such as “suprasculpture” and the prefix “nano-“ for ornamentation features. The chapter “Illustrated Pollen Terms” is the main part of this book and comprises more than 300 widely used terms illustrated with over 1,000 high-quality images. It provides a detailed survey of the manifold ornamentation and structures of pollen, and offers essential insights into their stunning beauty.
Author: Heidemarie Halbritter
Publisher: Springer
ISBN: 3319713655
Category : Science
Languages : en
Pages : 487
Get Book Here
Book Description
This open access book offers a fully illustrated compendium of glossary terms and basic principles in the field of palynology, making it an indispensable tool for all palynologists. It is a revised and extended edition of “Pollen Terminology. An illustrated handbook,” published in 2009. This second edition, titled “Illustrated Pollen Terminology” shares additional insights into new and stunning aspects of palynology. In this context, the general chapters have been critically revised, expanded and restructured. The chapter “Misinterpretations in Palynology” has been extended with new research data and additional ambiguous terms, e.g., polyads vs. massulae; the chapter “Methods in Palynology” has been extensively enhanced with illustrated protocols showing the majority of the methods and techniques used when studying recent and fossil pollen with LM, SEM and TEM. Moreover, additional information about the description and publication of pollen data is provided in the chapter “How to Describe and Illustrate Pollen Grains.” Various other parts of the general chapters have now been updated and/or extended with more comprehensive textual passages and new illustrations. The chapter “Illustrated Pollen Terms” now features new and more appropriate examples of each term, including additional LM micrographs. Where necessary, the entries for selected pollen terms have been refined by rewording or adding definitions, illustrations, and new micrographs. Lastly, new terms are included, such as “suprasculpture” and the prefix “nano-“ for ornamentation features. The chapter “Illustrated Pollen Terms” is the main part of this book and comprises more than 300 widely used terms illustrated with over 1,000 high-quality images. It provides a detailed survey of the manifold ornamentation and structures of pollen, and offers essential insights into their stunning beauty.
Author: Michael Hesse
Publisher: Springer Science & Business Media
ISBN: 3211798943
Category : Science
Languages : en
Pages : 266
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Book Description
Palynology is important in basic as well as in manifold applied sciences, as e.g. biology, medicine, forensics, earth history, climatology and food production. This volume is the first fully illustrated handbook of palynological principles and glossary terms, exclusively using LM and EM micrographs of superior quality. A comprehensive General Chapter on pollen morphology, anatomy, pollen development etc. based on the present knowledge in palynology introduces the reader in the world of pollen. The glossary part comprises more than 300 widely used terms illustrated with over 1.000 high quality light and/or electron microscopic pictures to show the character range of a term. Terms are grouped by feature, e.g. ornamentation, where each term is illustrated on a separate page, definition and original citation included and where necessary, provided with a comprehensive explanatory comment. The term's use in LM, SEM or TEM and its assignment to anatomical, morphological and/or functional pollen features is indicated by icons and colour coding, respectively. This handbook is not only a valuable source for students and researchers but also for all persons interested in pollen and its aesthetic beauty.
Author: G. Erdtman
Publisher: Read Books Ltd
ISBN: 1447494768
Category : Science
Languages : en
Pages : 424
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Book Description
It has long been the custom among those making pollen surveys to expose microscope slides coated with a suitable adhesive and examine them for the pollen grains caught. The counts of the various species are tabulated each day and at the end of the season drawn into a graph or pollen spectrum, as it is called , which gives a clear picture of the relative amounts of the different kinds of pollen which are floating in the air from day to day throughout the growing season If done in the north temperate zone such a spectrum will show the pollen of the early flowering trees, at first a trickle, as the junipers, alders and hazels flower, then a deluge as the birches, oaks and pines and many other trees cast their pollen to the air. This is generally followed by a long stream of grass pollen, fluctuating from week to week as the various species come into flower, reach their zenith, then die out giving way to succeeding species And toward the end of the summer pollens of the late flowering weeds make their appearance, nowadays in most places completely dominated by that of the ragweed. If the record is repeated the following year the spectrum will be nearly the same The succession can be counted on to repeat itself with subtle change from year to year for many years to come, unless some cataclysm changes the surrounding vegetation which contributes to the pollen spectrum, for it is always a faithful representation of the surrounding vegetation.
Author: Michael G. Simpson
Publisher: Elsevier
ISBN: 0080514049
Category : Nature
Languages : en
Pages : 603
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Book Description
Plant Systematics is a comprehensive and beautifully illustrated text, covering the most up-to-date and essential paradigms, concepts, and terms required for a basic understanding of plant systematics. This book contains numerous cladograms that illustrate the evolutionary relationships of major plant groups, with an emphasis on the adaptive significance of major evolutionary novelties. It provides descriptions and classifications of major groups of angiosperms, including over 90 flowering plant families; a comprehensive glossary of plant morphological terms, as well as appendices on botanical illustration and plant descriptions. Pedagogy includes review questions, exercises, and references that complement each chapter. This text is ideal for graduate and undergraduate students in botany, plant taxonomy, plant systematics, plant pathology, ecology as well as faculty and researchers in any of the plant sciences. - The Henry Allan Gleason Award of The New York Botanical Garden, awarded for "Outstanding recent publication in the field of plant taxonomy, plant ecology, or plant geography" (2006) - Contains numerous cladograms that illustrate the evolutionary relationships of major plant groups, with an emphasis on the adaptive significance of major evolutionary novelties - Provides descriptions and classifications of major groups of angiosperms, including over 90 flowering plant families - Includes a comprehensive glossary of plant morphological terms as well as appendices on botanical illustration and plant description
Author: Donald E. Aylor
Publisher:
ISBN: 9780890545423
Category : Air
Languages : en
Pages : 418
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Book Description
Author: T B Batygina
Publisher: CRC Press
ISBN: 0429526717
Category : Science
Languages : en
Pages : 467
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Book Description
Plant embryology, dealing with the regularities of initiation and the first stages of development of an organism, is now flourishing because of the overall progress being made in natural sciences. Such discoveries of the 20th century as production of plants from a single somatic cell, experimental haploidy, and parasexual hybridization were of general biological significance. The combined efforts of embryologists, geneticists and molecular biologists yielded the discovery of specific genes that control meiosis, egg cell development and early stages of embryogenesis. The tendency to synthesize data of embryology and genetics has become increasingly noticeable. It is connected with the fact that the majority of problems connected with morphogenesis, such as differentiation, specialization, the evaluation of features and the definition of the notionsgene and feature andgenotype and phenotype concern embryology and genetics (embryogenetics) in one way or another. Evolutionary embryology has given rise to a new approach to the study of problems of adaptation in plants. In connection with the problem of preserving biological diversity under conditions of ecological stress, special attention is paid to ecological embryology, revealing the critical periods in early ontogenesis and plasticity and tolerance of reproductive systems at the level of species and population. The study of variability of morphogenesis and phenotype in population (life cycle variations and the diversity of reproductive systems) is the most important point in the population embryology of plants.
Author: Dawn E. Christenson
Publisher: Elsevier Health Sciences
ISBN: 0323612083
Category : Medical
Languages : en
Pages : 393
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Book Description
Reader-friendly and organized by body system, Veterinary Medical Terminology, 3rd Edition helps you quickly gain a solid understanding of veterinary terminology. Essential word parts and terms are presented in the context of basic anatomy, physiology, and disease conditions, giving you the tools to immediately apply new terminology to practical clinical situations. This new edition features learning exercises at the end of each chapter to reinforce content and test your knowledge, challenging you to go beyond simple memorization and become fluent in the language of veterinary medicine. Updated coverage includes advancements in the vet tech field, new medications, treatments of today's most prevalent diseases, and the latest procedures in orthopedics. This third edition is an essential resource for learning the medical terms and basic principles of veterinary medicine. - A logical body-systems approach and consistent chapter format help students find information quickly and learn more effectively. - UNIQUE! Goals and objectives at the beginning of each chapter help students focus their study time and check their recall and understanding of key facts and terminology. - Over 200 illustrations clearly demonstrate key anatomy and physiology concepts and terminology. - Helpful appendices in text provide information on chemical symbols and elements and common veterinary medical abbreviations. - A complete glossary of word parts gives students quick access to the spelling and meaning of every prefix, suffix, root, and combining form covered in the book. - Presentation of anatomic, physiologic, and/or pathophysiologic concepts and principles in all chapters enhances your students' ability to quickly apply newly learned terms. - Self-test exercises at the end of each chapter allow students to thoroughly review content. - NEW! Coverage of the latest advancements in the vet tech field, include all-new drugs, today's most prevalent diseases, and state-of-the-art procedures in orthopedics. - NEW and UNIQUE! Learning exercises at the end of each chapter test your students' knowledge and challenge them to use newly learned terms.
Author: T B Batygina
Publisher: CRC Press
ISBN: 1482280035
Category : Science
Languages : en
Pages : 811
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Book Description
This volume covers up-to-date notions of seed structure, processes resulting to its formation (syngamy, triple fusion etc.), as well as of postseminal development (seed dormancy and germination). Great attention has been paid to the morphological and functional aspects of fertilization process and embryo- and endospermogenesis.
Author: T B Batygina
Publisher: CRC Press
ISBN: 1482279916
Category : Science
Languages : en
Pages : 442
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Book Description
The book is divided into three parts: Flower, Anther, and Ovule. The principal aim of this volume (along with the other 3 volumes in the series) is to summarize the classical and current concepts about flower generative organs, their structure and development, and about seed formation processes. The book contains ample material that can be employed
Author: United States. Dept. of Commerce. Office of Technical Services
Publisher:
ISBN:
Category :
Languages : en
Pages : 96
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Book Description
