Insect Neurohormones

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53,49 

ISBN: 1468440152
ISBN 13: 9781468440157
Autor: Raabe, Marie
Verlag: Springer Verlag GmbH
Umfang: xvi, 352 S.
Erscheinungsdatum: 03.04.2012
Auflage: 1/2012
Produktform: Kartoniert
Einband: Kartoniert

Inhaltsangabe1 Synthesis, Storage, and Release of Neurohormones.- 1.1. The Neurosecretory Cells.- 1.1.1. General Features of Neurosecretory Cells.- 1.1.2. Activity of Neurosecretory Cells and Its Regulation.- 1.1.3. Neurosecretory Products, Their Staining Methods, and Classification.- 1.1.4. Distribution of Neurosecretory Cells-Axon Pathways.- 1.2. Neurohormone Release Sites.- 1.2.1. The Corpora Cardiaca.- 1.2.2. Other Release Sites of Brain Neurosecretory Products.- 1.2.3. The Perisympathetic Organs.- 1.2.4. Distal Neurohemal Organs.- 1.2.5. Neuroeffector Junctions.- 1.2.6. Transport of Neurosecretory Products along the Ventral Nerve Cord.- 1.3. Neurohormones and Biogenic Amines.- 1.4. Conclusions.- 2 Control of Endocrine Gland Activity.- 2.1. Molting Gland.- 2.1.1. Molting Gland Secretion Control.- 2.1.2. Molting Gland Activation.- 2.1.3. Degeneration of the Molting Gland.- 2.1.4. Location of Brain Hormone.- 2.1.5. Brain Hormone Release Site.- 2.1.6. Brain Hormone and Ventral Nerve Cord.- 2.1.7. Antagonistic Brain Factor.- 2.1.8. Feedback.- 2.1.9. Chemical Nature of Brain Hormone.- 2.1.10. Stimulation of Ecdysone Production by the Ovary.- 2.1.11. Conclusions.- 2.2. Corpora Cardiaca.- 2.3. Corpora Allata.- 2.3.1. Volume Changes and Activity of Corpora Allata.- 2.3.2. Innervation of Corpora Allata.- 2.3.3. Early Investigations.- 2.3.4. Detailed Investigations.- 2.3.5. Juvenile Hormone Titer and Cerebral Control.- 2.3.6. Regulation of Juvenile Hormone Esterases.- 2.3.7. Conclusions.- 3 Diapause.- 3.1. Imaginal Diapause.- 3.2. Pupal Diapause.- 3.3. Larval Diapause.- 3.4. Embryonic Diapause.- 3.5. Conclusions.- 4 Reproduction.- 4.1. Sex Determination.- 4.2. Gonial Mitosis and Meiosis.- 4.3. Differentiation of the Ovariole-Previtellogenesis.- 4.4. Vitellogenesis.- 4.4.1. Pars Intercerebralis.- 4.4.2. Ventral Nerve Cord.- 4.5. Oostatic Hormone (Antigonadotropin).- 4.6. Spermatogenesis.- 4.7. Accessory Glands, Pheromone Production, Sexual Behavior.- 4.8. Ovulation.- 4.9, Egg Laying.- 4.10. Conclusions.- 5 Functioning of the Visceral Muscles.- 5.1. The Visceral Muscles: Innervation and Functioning.- 5.1.1. Heart, Diaphragm, Alary Muscles.- 5.1.2. Malpighian Tubules, Oviducts, Digestive Tract.- 5.2. Source of Myotropic Factors, Multiplicity.- 5.3. Release Sites of Myotropic Factors.- 5.3.1. Corpora Cardiaca and Perisympathetic Organs.- 5.3.2. Distal Neurohemal Organs and Neuroeffector Junctions.- 5.4. Reality of the Existence of Myotropic Factors.- 5.5. Separation and Identification of Active Factors.- 5.6. Mode of Action of Myotropic Factors.- 5.7. Conclusions.- 6 Morphological and Physiological Color Change.- 6.1. Morphological Color Change.- 6.1.1. Locusts, Grasshoppers, Stick Insects.- 6.1.2. Lepidopteran Larvae and Pupae.- 6.1.3. Summary.- 6.2. Physiological Color Change.- 6.2.1. The Phantom Midge, Corethra.- 6.2.2. Dragonflies.- 6.2.3. Stick Insects.- 6.2.4. Interspecific Activity.- 6.2.5. Crustacean and Insect Hormones.- 6.2.6. Purification.- 6.3. Conclusions.- 7 Behavior and Rhythmic Phenomena.- 7.1. Flight.- 7.2. Circadian Rhythms and Activity Level.- 7.3. Eclosion Rhythm.- 7.4. Endogenous Nerve Activity.- 7.5. Egg Care.- 7.6. Polymorphism and Phase.- 7.7. Conclusions.- 8 Osmoregulation.- 8.1. Techniques.- 8.2. Diuretic Hormone.- 8.2.1. Synthesis Sites.- 8.2.2. Release Sites.- 8.2.3. Release Control.- 8.2.4. Circulating Hormone Rate, Hormone Destruction.- 8.3. Antidiuretic Hormone.- 8.4. Diuretic or Antidiuretic Function of Other Hormones.- 8.5. Purification of Diuretic and Antidiuretic Hormones.- 8.6. Mode of Action of Diuretic Hormone.- 8.7. Ion Metabolism.- 8.8. Conclusions.- 9 Metabolism.- 9.1. Proteases and Amylases.- 9.2. Proteins.- 9.3. Carbohydrates.- 9.3.1. Diapause Hormone.- 9.3.2. Hypertrehalosemic Hormone.- 9.3.3. Hypotrehalosemic Hormone.- 9.3.4. Glycogenolytic Hormone.- 9.3.5. Neurohormones and Blood Glucose Concentration.- 9.3.6. Amines.- 9.4. Lipids.- 9.4.1. Adipokinetic Hormone.- 9.4.2. Hypolipemic Factor.- 9.5. Respirato

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Beschreibung

The discovery of insect neurohormones dates from the earliest experimental in vestigations in insect endocrines, and the matter cannot be discussed without evoking the names of its pioneers-Kopec, Wigglesworth, Fraenkel. Whereas the experiments demonstrated the existence of the first known neurohormones, the formulation of the concept of neurosecretion was of fundamental importance to further progress, and tribute must be paid to Ernst and Berta Scharrer. The recent proliferation of investigations into insect neurohormones has cre ated the need for an overall review of the data. Our knowledge of the subject is voluminous, and the evidence clearly demonstrates that neurohormones playa part in most insect regulatory processes. This book analyzes and synthesizes the data, starting from neurosecretion (i.e., source sites and release modes of neurohormones) and continuing through the various functions in which neurohormones have been shown to be involved: endocrine gland activity; diapause; reproduction; visceral muscle functioning; color change; behavior; water and ion balance; protein, sugar, and lipid metabo lism; and tanning and other processes occurring at the cuticle level. In each chapter, besides the experimental information, technical procedures as well as recent information concerning purification of the particular neurohor mones and their mode of action are reported. Numerous exhaustive tables allow the reader to get an overview of the matter while the major findings of the mo ment are presented in the conclusion of each chapter.

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