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Author : C. Edward Stevens,Ian D. Hume
Publisher : Cambridge University Press
Page : 424 pages
File Size : 55,9 Mb
Release : 2004-11-25
Category : Medical
ISBN : 0521617146
This book discusses the structural and functional characteristics of the digestive system and how these vary among vertebrates.
Author : Charles E. Stevens,Ian D. Hume
Publisher : Unknown
Page : 400 pages
File Size : 55,9 Mb
Release : 1995
Category : Electronic
ISBN : OCLC:749005496
Author : Charles E. Stevens
Publisher : Cambridge University Press
Page : 320 pages
File Size : 51,7 Mb
Release : 1988-09-30
Category : Science
ISBN : 0521330440
The digestive system of vertebrates shows a wide range of adaptations to the different diets, environments, and physiological characteristics of mammals, reptiles, birds, fish, and amphibians. This book describes the general characteristics of the digestive system in each of the major groups of vertebrates and discusses different adaptations for the ingestion and digestion of food, motor activity, absorption of nutrients, and the neurohumoral control of these processes. Its main purpose is to demonstrate the importance of this information for both the propagation and preservation of a given species and the understanding of basic physiological mechanisms.
Author : D. J. Chivers,P. Langer
Publisher : Cambridge University Press
Page : 462 pages
File Size : 48,9 Mb
Release : 1994-07-21
Category : Medical
ISBN : 9780521440165
Biochemical, physiological and morphological aspects of mammalian digestive systems.
Author : Richard Owen, Sir
Publisher : Literary Licensing, LLC
Page : 322 pages
File Size : 44,8 Mb
Release : 2014-08-07
Category : Electronic
ISBN : 1498151116
This Is A New Release Of The Original 1846 Edition.
Author : Pranveer Singh
Publisher : Nova Science Publishers
Page : 0 pages
File Size : 45,9 Mb
Release : 2015
Category : Chordata
ISBN : 1634634578
The evolution to multicellular organisms determined the appearance of more sophisticated and specialized systems for the different physiologies like integumentary, respiration, digestion, excretion, circulatory, reproduction, skeletal and the nervous system. In the line of chordate evolution, advent of tetrapods have triggered the events leading to only partial dependence on water for physiological activities. The inconstant environment in which animals lives largely determine and guides the way animal physiology evolves. This directs the anatomical and morphological changes in the organism that translates into varied and diverse physiological process. This book describes the transition of life from aquatic to terrestrial habitat that brings about changes in feeding habit and subsequent anatomical and morphological changes in the digestive tract. Similar transition also guides modifications in urino-genital system due to demands of removing ammonia/urea or uric acid as excretory waste. The author of this book further explores the evolution of tetrapods as one major event in the evolutionary history of chordates in addition to adaptive radiation. This has transformed the locomotion from Fins' to Feet'. Demands of terrestrial life also means metabolism and energy requirements has to be met for which circulatory system was modified to incorporate more chambers and double circulation for warm bloodedness and increased metabolism to meet the energy requirements of life on land. Subsequently, as explored in the book, different organ systems underwent modification in organization to work together the best physiological adaptations to sustain life on earth.
Author : Cheeke, P.R.,Dierenfeld, E.S
Publisher : CABI
Page : 353 pages
File Size : 54,5 Mb
Release : 2024-06-01
Category : Electronic
ISBN : 9781780640679
Author : Y. Ruckebusch,P. Thivend
Publisher : Springer Science & Business Media
Page : 854 pages
File Size : 44,6 Mb
Release : 2012-12-06
Category : Medical
ISBN : 9789401180672
Two questions could not be avoided in the avant-propos of this book; (i) what is the importance to man of ruminant livestock, and (ii) what results of practical relevance in the growing mountain of scientific verbiage could be found in the Proceedings of this Symposium. Herbivores are an integral and critical part of the natural ecosystem which must be preserved because of their impact on human welfare. Wh at makes ruminants especially important to man is that they can thrive on fibrous forage and are thus the only viable enterprise over much of the earth's surface where crop growing is impracti cable. They contribute a wide array of products in addition to 50000 000 tonnes ofmeat (1977) and represent a 'capital reserve' that can be drawn upon in times of emergency: milk for example (450000000 tonnes) can make the difference between subsistence and starvation. About 60% of the world's meat and 80 % of the milk are produced by one third of the world ruminant population in the developed regions and as much as 99 % of the power for agriculture is provided by the ruminant population in developing countries. For the next two decades, a probable increase by 30 % for . cattle and buffalo and more than 40 % for sheep and goats is expected by improving health, fertility, nutrition and genetic potential rather than feed resources.
Author : Kenneth V. Kardong
Publisher : WCB/McGraw-Hill
Page : 810 pages
File Size : 47,6 Mb
Release : 1995
Category : Anatomy, Comparative
ISBN : STANFORD:36105018318746
Vertebrates are characterized by a bony skeleton and a well-developed brain. The group contains fishes, amphibians, reptiles, birds and mammals. This text presents a balanced and integrated treatment of vertebrate structure and function, including chapters devoted to the skeletal system, the muscular system, the digestive system and the nervous system. It also discusses the evolution of vertebrate structures and their relationships to the environment.
Author : Roderick Mackie,Bryan White
Publisher : Springer Science & Business Media
Page : 667 pages
File Size : 54,8 Mb
Release : 2012-12-06
Category : Science
ISBN : 9781461541110
Extremely diverse and complicated bacterial and protozoan populations inhabit the rumen and intestinal tract of animals, and there is a delicate balance among the individual populations within this complex microbial community. This authoritative edited volume, the first in a two-volume set, reviews the gut environment and the fermentations taking place in animal digestive tracts. It is an essential source of reference for microbial ecologists and physiologists, medical microbiologists and gastroenterologists, biochemists, nutritionists, veterinarians and animal scientists, and wildlife ecologists.
Author : R. K. Saxena,Sumitra Saxena
Publisher : Unknown
Page : 0 pages
File Size : 53,6 Mb
Release : 2015
Category : Anatomy, Comparative
ISBN : 8130930005
This second edition has been thoroughly revised. Part A is devoted to the discussion of chordates' evolution and classification. Part B deals with comparative anatomy and provides an introduction to structure-function concept at the level of organs and the organ system. The subject matter is discussed briefly and lucidly and in a sequential manner.
Author : Donald B. McMillan,Richard James Harris
Publisher : Academic Press
Page : 634 pages
File Size : 44,8 Mb
Release : 2018-06-04
Category : Medical
ISBN : 9780124095977
Atlas of Comparative Vertebrate Histology looks at the histology of a wide range of vertebrates, representative of all the major classes and families, with examples ranging from amphioxus to primates. The authors focus their microscope on commonly seen vertebrates as well as ‘non-standard’ species, such as lamprey, hagfish, dogfish, skate, rock bass, cod, river catfish, toad, amphiuma, leopard and bull frog, garter and brown snake, Coturnix quail and cowbird. The study of comparative histology in the vertebrates helps students and researchers alike understand how various groups have addressed similar problems, opening doors to interesting research possibilities. Not all vertebrates follow the mammalian model of tissue and organ structure. When dealing with unique species, we see some structures taken beyond their ‘normal’ function. Comparative histology allows us to understand the structural responses underlying the physiology unique to each vertebrate group. Presents the histology of a wide range of vertebrates, representative of all the major classes and families, with examples ranging from amphioxus to primates Includes an image gallery with over 500 flat images and 50+ virtual microscopy slides Contains electronic content features cross linking between text, tables and the image gallery
Author : Douglas Webster,Molly Webster
Publisher : Academic Press
Page : 535 pages
File Size : 50,9 Mb
Release : 2013-10-22
Category : Science
ISBN : 9781483272597
Comparative Vertebrate Morphology provides a comprehensive discussion of vertebrate morphology. The structure-function concept at the level of organs and organ systems is fundamental to an understanding of comparative evolutionary morphology. It is upon these three interrelated aspects—structure, function, and evolution— that that contents of this volume have been organized and presented. The book opens with a discussion of general concepts on vertebrate evolution. This is followed by separate chapters on vertebrate phylogeny, skeletal components, the cranial and postcranial skeleton, muscular tissues, muscular system, and development of the integument, nervous tissues, sense organs, nervous system structure, nervous pathways, and endocrines. Subsequent chapters deal with the digestive, respiratory, circulatory, excretory and water balance, and reproductive systems. This book was designed to meet the needs of a one-semester course for students who have already had an introductory course in biology. It is assumed that the lectures will be supplemented by a laboratory with its own laboratory manual. The organization of the text allows the instructor to coordinate the laboratory and lecture portions of the course.
Author : Andreas Schmidt-Rhaesa
Publisher : Walter de Gruyter GmbH & Co KG
Page : 397 pages
File Size : 41,7 Mb
Release : 2017-10-23
Category : Science
ISBN : 9783110560671
This volume of the series Handbook of Zoology deals with the anatomy of the gastrointestinal digestive tract – stomach, small intestine, caecum and colon – in all eutherian orders and suborders. It presents compilations of anatomical studies, as well as an extensive list of references, which makes widely dispersed literature accessible. Introductory sections to orders and suborders give notice to biology, taxonomy, biogeography and food of the respective taxon. It is a characteristic of this book that different sections of the post-oesophageal tract are discussed separately from each other. Informations on form and function of organs of digestion in eutherians are discussed under comparative-anatomical aspects. The variability and diversity of anatomical structures represents the basis of functional differentiations.
Author : P.S.Verma
Publisher : S. Chand Publishing
Page : 686 pages
File Size : 40,5 Mb
Release : 1965
Category : Science
ISBN : 9788121916394
FOR B.Sc & B.Sc.(Hons) CLASSES OF ALL INDIAN UNIVERSITIES AND ALSO AS PER UGC MODEL CURRICULUMN Contents: CONTENTS:Protochordates:Hemicholrdata 1.Urochordata Cephalochordata Vertebrates : Cyclostomata 3. Agnatha, Pisces Amphibia 4. Reptilia 5. Aves Mammalia 7 Comparative Anatomy:lntegumentary System 8 Skeletal System Coelom and Digestive System 10 Respiratory System 11. Circulatory System Nervous System 13. Receptor Organs 14 Endocrine System 15 Urinogenital System 16 Embryology Some Comparative Charts of Protochordates 17 Some Comparative Charts of Vertebrate Animal Types 18 Index.