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Color Change Mechanisms of Cold-Blooded Vertebrates

1st Edition - January 1, 1963

Author: H. Waring

eBook ISBN:

9 7 8 - 1 - 4 8 3 2 - 5 8 3 8 - 6

Color Change Mechanisms of Cold-Blooded Vertebrates focuses on color change in vertebrates and its relation to endocrine control. The book first tackles physiological color… Read more

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Color Change Mechanisms of Cold-Blooded Vertebrates focuses on color change in vertebrates and its relation to endocrine control. The book first tackles physiological color changes in amphibians, elasmobranchs, teleosts, and cyclostomes. Topics include description of responses, nonvisual response, criticisms of the two-hormone hypothesis as applied to amphibians and elasmobranchs, and summary of teleost color change mechanisms. The publication then elaborates on physiological color changes in reptiles and biological assay of melanin-dispersing hormones, as well as generalities about reptilian color change, general statement on biological assay, and theoretical considerations. The manuscript ponders on the chemistry of melanin-dispersing hormones, mechanism of the melanophore, and actions of melanin-dispersing hormones on functions other than color change. Discussions focus on glandular origin of melanin-dispersing hormones, energy sources for melanin movement, and metabolism. The text is highly recommended for readers interested in color change in vertebrates.

ContentsForeword Acknowledgments Chapter 1. Introduction Chapter 2. Resume of Responses Origin and Nomenclature of Chromatophores Physiological and Morphological Color Changes and Their Measurement Classification of Responses Anatomy of the Pituitary and Nomenclature of Its Lobes Pituitary Hormones and Their Nomenclature Chapter 3.1 Physiological Color Changes in Amphibians Description of Responses Analysis of Ocular (Background) Responses Appendix Chapter 3.2 Physiological Color Changes in Elasmobranchs Nonvisual Response Secondary Ocular (Black Background) Response Tertiary Ocular (White Background) Response Criticisms of the Two-Hormone Hypothesis as Applied to Amphibians and Elasmobranchs Chapter 3.3 Physiological Color Changes in Teleosts Anguilla Gasterosteus Fundulus Phoxinus General Summary of Teleost Color Change Mechanisms Appendix on Flatfish Chapter 3.4 Physiological Color Changes in Cyclostomes Chapter 3.5 Physiological Color Changes in Reptiles Anolis Phrynosoma Chameleons Generalities about Reptilian Color Change Evolution of Coordinating Mechanisms for Ocular (Background) Responses in Fish, Amphibians, and Reptiles Chapter 4. Biological Assay of Melanin-Dispersing Hormones General Statement on Biological Assay Historical Resume of Attempts to Assay M.D.H Theoretical Considerations In Vivo Method In Vitro Method Assay of Melanin-Dispersing Substances in Urine and Blood Chapter 5. Chemistry of Melanin-Dispersing Hormones Glandular Origin of Melanin-Dispersing Hormones Source Material for Preparing Extracts Chemistry of the Hormones Appendix: The Pineal Excitant Melatonin Chapter 6. Information About the Mechanism of the Melanophore Structure and Mechanics Pharmacology Energy Sources for Melanin Movement Chapter 7. Morphological Color Change in Response to Background Amphibia Teleosts Hormonal Basis for Morphological Change Chapter 8. Has Color Change Any Biological Advantage? Protective Coloration Temperature Regulation Chapter 9. Actions of Melanin-Dispersing Hormone on Functions other than Color Change Vision Metabolism Miscellaneous Effects Selected References: Chromatophores in Invertebrates and Warm-Blooded Vertebrates References Subject Index