Produktbild: The Development of the Larval Pigment Patterns in Triturus alpestris and Ambystoma mexicanum
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The Development of the Larval Pigment Patterns in Triturus alpestris and Ambystoma mexicanum

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Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

05.04.1990

Verlag

Springer Berlin

Seitenzahl

101

Maße (L/B/H)

24,2/17/0,7 cm

Gewicht

221 g

Auflage

1989

Sprache

Englisch

ISBN

978-3-540-51672-9

Beschreibung

Produktdetails

Einband

Taschenbuch

Erscheinungsdatum

05.04.1990

Verlag

Springer Berlin

Seitenzahl

101

Maße (L/B/H)

24,2/17/0,7 cm

Gewicht

221 g

Auflage

1989

Sprache

Englisch

ISBN

978-3-540-51672-9

Herstelleradresse

Springer-Verlag KG
Sachsenplatz 4-6
1201 Wien
AT

Email: GPSR Kontakt

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  • Produktbild: The Development of the Larval Pigment Patterns in Triturus alpestris and Ambystoma mexicanum
  • 1 Introduction.- 2 Materials and Methods.- 2.1 Embryos.- 2.2 Light Microscopy.- 2.3 Videomicrography.- 2.4 Transmission Electron Microscopy.- 2.5 Scanning Electron Microscopy.- 2.6 Dopa Reaction.- 2.7 Pterin Fluorescence.- 2.8 Staining with Alcian Blue.- 2.9 Immunohistochemistry.- 2.10 Developmental Protocols.- 2.11 Embryological Experiments.- 2.11.1 Removal of the Epidermis.- 2.11.2 Exchange of the Epidermis.- 2.11.3 Rotation of the Epidermis.- 2.11.4 Chromatophore Number.- 2.11.5 Pronephric Duct.- 2.11.6 Rotation of the Somites.- 2.11.7 Axolotl Embryo as Host.- 2.11.8 Triturus Embryo as Host.- 2.11.9 Younger Triturus Embryo as a Host.- 2.11.10 Microcarrier Experiments.- 2.11.11 Mesoderm.- 2.11.12 Heterotopic Transplantation of the Neural Crest.- 2.12 Tissue Culture.- 2.12.1 Neural Fold Explants.- 2.12.2 Epidermis and Neural Crest.- 3 Results.- 3.1 Fundamental Premises.- 3.2 Development of the Longitudinal Stripe Pattern in Triturus alpestris.- 3.2.1 Dispersion.- 3.2.2 Onset of Longitudinal Stripe Formation.- 3.2.3 Definite Longitudinal Stripe Pattern.- 3.3 Development of the Barred Pigment Pattern in Ambystoma mexicanum.- 3.3.1 Early Spreading.- 3.3.2 Dispersion.- 3.3.3 Definite Barred Pattern.- 3.4 Analysis of Factors and Mechanisms Governing Pigment Pattern Formation in Triturus alpestris.- 3.4.1 Pigment Cells.- 3.4.1.1 Segregation.- 3.4.1.2 Shape, Number and Behaviour.- 3.4.1.3 Cell Number and Pigment Pattern.- 3.4.2 Epidermis.- 3.4.2.1 Epidermis-Deprived Embryos and Epidermis-Crest Cultures.- 3.4.2.2 Heterotopic Exchange.- 3.4.2.3 Rotation.- 3.4.2.4 Subepidermal Extracellular Matrix.- 3.4.2.4.1 Electron Microscopic Investigations.- 3.4.2.4.2 Histochemical and Immunohistochemical Studies.- 3.4.3 Other Tissues.- 3.4.3.1 Pronephric Duct.- 3.4.3.2 Blood Vessels.- 3.4.3.3 Neural Tube, Somites.- 3.4.3.4 Mesoderm and Endoderm.- 3.4.3.5 Axolotl Embryo as Host.- 3.4.3.6 Younger Triturus Embryo as Host.- 3.5 Analysis of Factors and Mechanisms Governing Pigment Pattern Formation in Ambystoma mexicanum.- 3.5.1 Pigment Cells.- 3.5.1.1 Segregation.- 3.5.1.2 Cell Shape.- 3.5.1.3 Cell Number.- 3.5.2 Epidermis.- 3.5.2.1 Epidermis-Deprived Embryos.- 3.5.2.2 White Axolotl Embryos.- 3.5.2.3 Epidermal Implants.- 3.5.2.4 Microcarrier Experiments.- 3.5.3 Other Tissues.- 3.5.3.1 Blood Vessels.- 3.5.3.2 Neural Tube, Somites, Gut.- 3.5.3.3 Neural Crest at Heterotopic Sites.- 3.5.3.4 Triturus Embryo as Host.- 4 Discussion.- 4.1 Dopa Reaction and Pterin Fluorescence: Criticism of the Methods.- 4.2 Organization of the Neural Crest and Early Dispersion of Pigment Cells.- 4.3 Arrangement of Pigment Cells in the Trunk.- 4.3.1 Dispersion of Pigment Cells.- 4.3.2 Formation of Melanophore and Xanthophore Zones in Triturus alpestris.- 4.3.2.1 Cell Shape and Rearrangement of Chromatophores.- 4.3.2.2 Dorsal Stripe.- 4.3.2.3 Lateral Stripe.- 4.3.2.4 Arrangement of Melanophores and Xanthophores in Relation to Axial Cues.- 4.3.3 Bar Formation in Ambystoma mexicanum.- 4.4 Comparison of the Development of the Larval Pigment Pattern in Triturus alpestris and Ambystoma mexicanum.- 4.5 Conclusion and Perspectives.- 5 Summary.- Acknowledgements.- References.