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Evolution of Jaw Mechanisms in Ornithopod Dinosaurs
ISBN: 9783540131144 / Angielski / Miękka / 112 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The Ornithopoda, one of five suborders within the Ornithischia, was originally proposed by Marsh in 1881 to include those bipedal dinosaurs possessing a predentary bone fitted over the rostral end of the mandibles. Ornithopods as recognized today can be further characterized by moderately long facial skele- tons equipped with well-developed, often toothless premaxillae and moderate to large external nares. Maxillary and dentary dentitions vary but usually consist of at least one replacement series beneath the functional set; some have many rows of successional teeth. Tooth morphology suggests...
The Ornithopoda, one of five suborders within the Ornithischia, was originally proposed by Marsh in 1881 to include those bipedal dinosaurs possessing...
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402,53 |
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Sertoli Cells and Leydig Cells in Man
ISBN: 9783540136033 / Angielski / Miękka / 106 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The testis is composed of seminiferous tubules and interstitial tissue. The most important component of the interstitial tissue are the testosterone-producing Leydig cells. The seminiferous tubules contain the successive generations of germ cells, which can only exist in the presence of Sertoli cells. Sertoli cells mediate the effect of testosterone, which is indispensable for the maintenance of spermatogenesis. Consequently, the function of the Sertoli cells depends large- lyon the function of the Leydig cells, and a local control mechanism between the two cell systems has been assumed....
The testis is composed of seminiferous tubules and interstitial tissue. The most important component of the interstitial tissue are the testosterone-p...
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402,53 |
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The Nucleus Basalis-Neostriatum Complex in the Goose (Anser Anser L.)
ISBN: 9783540153382 / Angielski / Miękka / 86 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In birds, the beak is the most important organ for manipulative actions: its manipulative capabilities vary as much as those of the forepaws and snouts of mammals. For the peripheral parts and at brainstem levels, the sensorimotor circuit of the avian oral region is roughly similar to the mammalian, but is strikingly different at higher levels of the central nervous system (CNS) (Ariens- Kappers et al. 1936). Our field of interest is the organization of the telencephalic areas involved in the manipulative actions of the bill. The goose was chosen as a subject because of the extensive...
In birds, the beak is the most important organ for manipulative actions: its manipulative capabilities vary as much as those of the forepaws and snout...
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402,53 |
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On Angiotensin-Degrading Aminopeptidases in the Rat Kidney
ISBN: 9783540114529 / Angielski / Miękka / 88 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The octapeptide angiotensin II (ANG II, Fig. 1) is the key effector substance of the renin-angiotensin system (RAS) (Werning 1972, Page and Bumpus 1974, Hierholzer 1977, Vecsei et al. 1978, Johnson and Anderson 1980 lit. ). ANG II is formed in two enzymatic steps. Renin acts on renin substrate, a glycoprotein, to produce angiotensin I (ANG I, a decapeptide), which in turn is acted upon by converting enzyme to form ANG II (Skeggs et al. 1968, Fig. 1). Renin substrate (angiotensinogen) is produced mainly in the liver (Page et al. 1941) and is a constituent of the ~-globulin fraction in the...
The octapeptide angiotensin II (ANG II, Fig. 1) is the key effector substance of the renin-angiotensin system (RAS) (Werning 1972, Page and Bumpus 197...
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201,24 |
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Physiology of Biodegradative Microorganisms
ISBN: 9780792311324 / Angielski / Twarda / 144 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
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603,81 |
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Plant Molecular Biology
ISBN: 9780792322016 / Angielski / Miękka / 105 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. A comprehensive manual dealing with the molecular aspects of plant molecular biology, which is designed both as a teaching aid for advanced laboratory courses and as a guide for laboratory research. Subjects covered include the introduction of genes into plants, assays of gene activity, plant nucleic acid extraction and characterization procedures, and the use of selectable and screenable markers in transgenic plants. Special emphasis is placed on the use of Agrobacterium tumefaciens to introduce genes into plants, but other gene introduction techniques are also presented. Each chapter,...
A comprehensive manual dealing with the molecular aspects of plant molecular biology, which is designed both as a teaching aid for advanced laboratory...
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201,24 |
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Water Stress in Plants: Proceedings of a Symposium Held in Prague, September 30-October 4, 1963
ISBN: 9789061932512 / Angielski / Twarda / 322 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The study of water stress is one of the most interesting subjects in. the investigation of water relations in plants. From the theoretical point of view it is concerned with investigating the mechanisms of the distribution and movement of water in the plant organism and the way in which physiolo gical processes are influenced by water deficiency. From the practical point of view, water deficiency is a major factor limiting plant production. It has been progressively shown that water deficiency is not by far. only a factor in plant life in dry climates, that obvious wilting is not the first...
The study of water stress is one of the most interesting subjects in. the investigation of water relations in plants. From the theoretical point of vi...
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805,10 |
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The Vascular System of the Cerebral Cortex
ISBN: 9783540096528 / Angielski / Miękka / 62 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. A vascular system consists of a supplying arterial and a draining venous part which are connected by a terminal vascular network. The arterial segment can be characterized according to the structural features of the vessel wall. However, it is sometimes diffi- cult to distinguish the capillary from the postcapillary vessels on the basis of structural features alone. On the other hand, physiologic qualities such as permeability can hard- ly be associated with an equivalent histologic pattern of the vessel wall (lllig 1961; Rhodin 1967, 1968; Hauck 1971; Westergaard 1974). A defmition of a...
A vascular system consists of a supplying arterial and a draining venous part which are connected by a terminal vascular network. The arterial segment...
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201,24 |
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Development of the Retinotectal Projection in the Chicken
ISBN: 9783540101215 / Angielski / Miękka / 92 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Wilhelm His, one of the founders of developmental neurobiology, was convinced "that the processes of generation and development obey fundamental and simple laws and submit to the general laws of nature" (His 1901). Therefore, we should be able to find immediate conditions, dependencies and rules determining the de- velopment of an organic form. With this in mind, His (1874) defined the task of embryology as follows: "Developmental biology is essentially a physiological science; it has not only to describe how each individual form develops from the egg, it has to derive this development in...
Wilhelm His, one of the founders of developmental neurobiology, was convinced "that the processes of generation and development obey fundamental and s...
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201,24 |
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The Satellite Cells of the Sensory Ganglia
ISBN: 9783540102199 / Angielski / Miękka / 114 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The earliest mention of a cell sheath enveloping the body of the neurons in sensory ganglia is probably the following description by Valentin: "Sowohl die Kugeln der Be- legungsformation 1 , als die Primitivfasem, werden von eigenthi. imlichen, sie isolirenden Scheiden umgeben, welche aile Stufen der Dicke von einer fast gar nicht mehr wahr- nehrnbaren Zartheit bis zu einer ziemlich bedeutenden Starke durchlaufen. Diese Hill- len sind aber immer zellgewebeartiger Natur" (1836, p 162). In some illustrations of the above mentioned paper the nuclei of the satellite cells adjacent to the surface...
The earliest mention of a cell sheath enveloping the body of the neurons in sensory ganglia is probably the following description by Valentin: "Sowohl...
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402,53 |
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Photosynthesis Bibliography: References No. 12070-15367 / Aag-Zwe
ISBN: 9789061930426 / Angielski / Miękka / 274 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The bibl iogra~hy includes papers i'n all fields of photosynthesis research, - from stu- dies of model biochemical and biophysical systems of the photosynthesis mech,anism to primary production studi'ed by the so-called growth analysis. In add,iti'on to papers devoted entirely to photosynthesis, papers on other topics are included if they con- tain data on photosynthetic activity, photorespiration, chloroplast structure, chlo- rophyll and carotenoid synthesis and destruction, etc. , or j'f tney contain valuaBle methodological information (measurement of selected environmental factors, leaf...
The bibl iogra~hy includes papers i'n all fields of photosynthesis research, - from stu- dies of model biochemical and biophysical systems of the phot...
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201,24 |
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References No. 25162-28495 / Abd-Zve
ISBN: 9789061930464 / Angielski / Miękka / 302 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The bib I iography includes papers in alI fields of photosynthesis research - from stu- dies of model biochemical and biophysical systems of the photosynthesis mechanism to primary production studied by the so-cal led growth analysis. In addition to papers devoted entirely to photosynthesis, papers on other topics are included if they con- tain data on photosynthetic activity, photorespiration, chloroplast structure, chlo- rophyl I and carotenoid synthesis and destruction; etc. , or if they contain valuable methodo I og i ca I information (measurement of se I ected env i ronmenta I *factors,...
The bib I iography includes papers in alI fields of photosynthesis research - from stu- dies of model biochemical and biophysical systems of the photo...
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201,24 |
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Plant Molecular Biology Manual: Update 1
ISBN: 9780792306429 / Angielski / Miękka / 113 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. |
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201,24 |
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Progress in Plant Cellular and Molecular Biology: Proceedings of the Viith International Congress on Plant Tissue and Cell Culture, Amsterdam, the Net
ISBN: 9780792308737 / Angielski / Twarda / 828 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Plants are an important source of food and of valuable products for industry, agriculture and medicine. They are unique in many aspects of metabolic processes, development and reproduction. Most of these aspects can now be studied by the modern methods and technolo- gies of molecular and cellular biology. Such studies are also encouraged as to improve plant yield and quality. During the past decade research in plant sciences has demonstrated the feasibility of plant cell and tissue culture techniques as major tools in biology and agriculture. These techniques are also essential in strategies...
Plants are an important source of food and of valuable products for industry, agriculture and medicine. They are unique in many aspects of metabolic p...
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805,10 |
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Ontogenesis of the Skeleton and Intrinsic Muscles of the Human Hand and Foot
ISBN: 9783540056737 / Angielski / Miękka / 194 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The aim of the present publication is to summarize the results of studies of ontogenesis of the skeleton and muscles of the human hand and foot. Our primary interest in studying the muscles arose from observations of variations, in which a new form of the anomalous muscle in the popliteal fossa had been described (Cihak, 1954; Hnevkovsky and Cihak, 1957) and in which changes of muscle forms in the congenitally malformed extremity had also been studied (Brlickova and Cihak, 1956). The desire to clarify muscle variations by means of the onto- genesis led to a study of ontogenesis of single...
The aim of the present publication is to summarize the results of studies of ontogenesis of the skeleton and muscles of the human hand and foot. Our p...
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201,24 |
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Glycogen and Its Related Enzymes of Metabolism in the Central Nervous System
ISBN: 9783540074540 / Angielski / Miękka / 89 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. The glycogen content of normal mammalian CNS is small when compared with that of some other mammalian tissues such as liver and muscle. Nevertheless, this glycogen content normally comprises at least one quarter of its total reserve of energy, the rest being adenosine triphosphate (ATP), phosphocreatine and glucose. Since this glycogen undergoes a turnover 50-100 times that of brain lipids, and exceeds by several orders of magnitude that of liver glycogen, it most likely plays a dynamic role in the metabolism of brain, Gatfield et al. (1966), Prasannan and Subrahmanyam (1968b), Brunner et al....
The glycogen content of normal mammalian CNS is small when compared with that of some other mammalian tissues such as liver and muscle. Nevertheless, ...
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201,24 |
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Neurobehavioral Anatomy, Third Edition
ISBN: 9781607320982 / Angielski / Miękka / 304 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. Thoroughly revised and updated to reflect key advances in behavioral neurology, "Neurobehavioral Anatomy, Third Edition" is a clinically based account of the neuroanatomy of human behavior centered on a consideration of behavioral dysfunction caused by disorders of the brain. A concise introduction to brain-behavior relationships that enhances patient care and assists medical students, the book also serves as a handy reference to researchers, neuroscientists, psychiatrists, and geriatricians.
The book outlines how cognitive and emotional functions are represented and organized in the brain... Thoroughly revised and updated to reflect key advances in behavioral neurology, "Neurobehavioral Anatomy, Third Edition" is a clinically based account...
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159,56 |
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Interstitial Cells of Cajal: Intestinal Pacemaker Cells?
ISBN: 9783540112617 / Angielski / Miękka / 132 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. In 1949, the Dutch anatomist Jan Boeke was able to write: "The socalled interstitial cells ...which lie at the end of the sympathetic endformation as a connecting link between the nervous endformation and the effector cells, are ...shown to be of pri- mary importance for the transferring and the remoulding of the nervous stimulus ..." And: " ...the problem of the interstitial cells and of the synapse is the most impor- tant problem of neurohistology of the future. " When Boeke wrote this, he advocated the generalized concept, holding that inter- stitial cells were intercalated between...
In 1949, the Dutch anatomist Jan Boeke was able to write: "The socalled interstitial cells ...which lie at the end of the sympathetic endformation as ...
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402,53 |
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A Functional Biology of Free-Living Protozoa
ISBN: 9780709916789 / Angielski / Miękka / 230 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. General Editor: Peter Calow. Department of Zoology. University of Sheffield. England The main aim of this series will be to illustrate and to explain the way organisms 'make a living' in nature. At the heart of this - their func- tional biology - is the way organisms acquire and then make use of resources in metabolism, movement, growth, reproduction, and so on. These processes will form the fundamental framework of all the books in the series. Each book will concentrate on a particular taxon (species, family, class or even phylum) and will bring together information on the form, physiology,...
General Editor: Peter Calow. Department of Zoology. University of Sheffield. England The main aim of this series will be to illustrate and to explain ...
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402,53 |
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The Bacterial Cell Surface
ISBN: 9780709912675 / Angielski / Miękka / 240 str. Termin realizacji zamówienia: ok. 5-8 dni roboczych. It is a common statement that because of its simplicity the bacterial cell makes an ideal model for the study of a wide variety of biological systems and phenomena. While no-one would dispute that much of our under standing of biological function derives from the study of the humble bacterium, the concept of a simple life-form would be hotly disputed by any scientist engaged in the determination of the relationship between structure and function within the bacterial cell. Bacteria are particularly amenable to intensive study; their physiology can be probed with powerful biochemical, genetical...
It is a common statement that because of its simplicity the bacterial cell makes an ideal model for the study of a wide variety of biological systems ...
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201,24 |
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