The Morphology and Development of the Mechanosensory Lateral Line System on the Trunk of Hexagrammid Fishes PDF Download

Author: Angela L. Wonsettler
Publisher:
ISBN:
Category : Hexagrammidae
Languages : en
Pages : 134

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Author: Sheryl Coombs
Publisher: Springer Science & Business Media
ISBN: 146123560X
Category : Nature
Languages : en
Pages : 712

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This volume represents the published proceedings of an international conference on the Neurobiology and Evolution of the Mechanosensory Lateral Line System held August 31 to September 4, 1987, at the Center for Interdisciplinary Research at the University of Bielefeld, West Germany. The goal of this confer ence was to bring together researchers from all over the world to share informa tion about a major aquatic sensory system, the evolution and function of which have largely remained an enigma since the 18th century. The "lateral line" or "lateralis" system has been used as an umbrella term to describe what originally (without the aid of modern anatomical techniques) looked like a series of pits, grooves, and lines on the head and trunk of fishes and some amphibians. For at least the past 30 years, however, it has been recognized that the lateralis system comprises not one, but at least two functional classes of receptors: mechanoreceptors and electroreceptors. The relative ease with which the appropriate stimulus could be defined and measured for the electroreceptive class has resulted in an explosion of information on this submodality during the past 20 years. As a result, there is little ambiguity about the overall function of the electrosensory system, now generally regarded as an independent system in its own right. A similarly clear definition for the function of the mechanosensory lateralis system has not been as forthcoming.

Author: Sheryl Coombs
Publisher: Springer Science & Business Media
ISBN: 1461488516
Category : Medical
Languages : en
Pages : 360

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The Lateral Line System provides an overview of the key concepts and issues surrounding the development, evolution, neurobiology, and function of the lateral line, a fascinating yet somewhat enigmatic flow-sensing system. The book examines the historical precedence for linking the auditory and lateral line systems, its structure and development, use of the lateral line system of zebrafish as a model system, physical principles governing the response properties of the lateral line, the behavioral relevance of this sensory system to the lives of fish, and an examination of how this information is shaped and encoded by the peripheral and central nervous systems. Contents The Gems of the Past: A Brief History of Lateral Line Research in the Context of the Hearing Sciences - Sheryl Coombs and Horst Bleckmann Morphological Diversity, Development, and Evolution of the Mechanosensory Lateral Line System - Jacqueline F. Webb The Hydrodynamic of Flow Stimuli - Matthew J. McHenry and James C. Liao The Biophysics of the Fish Lateral Line - Sietse M. van Netten and Matthew J. McHenry Sensory Ecology and Neuroethology of the Lateral Line - John Montgomery, Horst Bleckmann, and Sheryl Coombs Information Encoding and Processing by the Peripheral Lateral Line System - Boris Philippe Chagnaud and Sheryl Coombs The Central Nervous Organization of the Lateral Line System - Mario F. Wullimann and Benedikt Grothe Central Processing of Lateral Line Information - Horst Bleckmann and Joachim Mogdans Functional Overlap and Nonoverlap Between Lateral Line and Auditory Systems - Christopher B. Braun and Olav Sand The Hearing Loss, Protection, and Regeneration in the Larval Zebrafish Lateral Line - Allison B. Coffin, Heather Brignull, David W. Raible, and Edwin W Rubel

Author: Sheryl Coombs
Publisher:
ISBN: 9783540968375
Category : Amphibians
Languages : en
Pages : 724

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Author: Heinrich A. Vischer
Publisher:
ISBN:
Category :
Languages : en
Pages : 160

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Author: Edward Phelps Allis
Publisher:
ISBN:
Category : Amia
Languages : en
Pages : 146

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Author: Nils Brehm
Publisher:
ISBN:
Category :
Languages : en
Pages : 0

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Abstract: The lateral line system of zebrafish consists of the anterior lateral line, with neuromasts distributed on the head, and the posterior lateral line, with neuromasts distributed on the trunk. The sensory afferent neurons are contained in the anterior and posterior lateral line ganglia, respectively. So far, the vast majority of physiological and developmental studies have focused on the posterior lateral line. However, studies that focus on the anterior lateral line, especially on its physiology, are very rare. The anterior lateral line involves different neuromast patterning processes, specific distribution of synapses, and a unique role in behavior. Here, we report our observations regarding the development of the lateral line and analyze the physiological responses of the anterior lateral line to mechanical and water jet stimuli. Sensing in the fish head may be crucial to avoid obstacles, catch prey, and orient in water current, especially in the absence of visual cues. Alongside the lateral line, the trigeminal system, with its fine nerve endings innervating the skin, could contribute to perceiving mechanosensory stimulation. Therefore, we compare the physiological responses of the lateral line afferent neurons to responses of trigeminal neurons and responsiveness of auditory neurons. We show that anterior lateral line neurons are tuned to the velocity of mechanosensory ramp stimulation, while trigeminal neurons either only respond to mechanical step stimuli or fast ramp and step stimuli. Auditory neurons did not respond to mechanical or water jet stimuli. These results may prove to be essential in designing underwater robots and artificial lateral lines, with respect to the spectra of stimuli that the different mechanosensory systems in the larval head are tuned to, and underline the importance and functionality of the anterior lateral line system in the larval fish head

Author: Gerhard von der Emde
Publisher: Springer Science & Business Media
ISBN: 9400710607
Category : Medical
Languages : en
Pages : 393

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Fish comprise more than 50% of all living vertebrates and are found in a wide range of highly diverse habitats like the deep sea, the shoreline, tide pools, tropical streams and sweetwater ponds. During evolution, the senses of fish have adapted to the physical conditions of the environment in which different species live. As a result, the senses of fish exhibit a remarkable diversity that allows different species to deal with the physical constraints imposed by their habitat. In addition, fish have evolved several `new' sensory systems that are unique to the aquatic environment. In this book, examples of adaptation and refinement are given for six sensory systems: The visual system, The auditory system, The olfactory system, The mechanosensory lateral line system, The taste system, The electrosensory system. In each case, the environmental conditions under which a particular group of fish lives are analyzed. This is followed by a description of morphology and physiology of the sensory system and by an evaluation of its perceptional capabilities. Finally, the sensory adaptations to the particular conditions that prevail in the habitat of a species are highlighted. The various examples from different groups of fish presented in this book demonstrate the impressive capability of fish sensory systems to effectively overcome physical problems imposed by the environment.

Author: Heinrich Alexander Vischer
Publisher:
ISBN:
Category :
Languages : en
Pages :

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Author: N. N. Disler
Publisher:
ISBN:
Category :
Languages : en
Pages :

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