B. K. Hall

Chondrogenesis of the Somitic Mesoderm

• Broschiertes Buch

Produktbeschreibung

References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42 Subject Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 48 Author Index. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 . . . . . . . . . . . 6 Introduction Chondrification of the somitic mesoderm producing the primordia of the vertebrae has been a favourite topic of investigation by those interested in understanding the me chanisms underlying development and differentiation. Study of this tissue involves the investigation of cell proliferation, migration and cytodifferentiation, synthesis of extra cellular matricial products, inductive tissue interactions, and tissue morphogenesi- some of the major unsolved problems of modern developmental biology. The topic is a large one and various aspects have been reviewed in the past, notably by Holtzer (1959; 1961), Lash (1963a), Strudel (1967), Lash (1968a, c),Holtzer (1968), Holtzer and Abbott (1968), Holtzer and Mayne (1973) and Levitt and Dorfman (1974). Feel ing that the time was appropriate for a overview of the whole field of somitic chondro genesis, I have prepared the present monograph. It covers the development of experi mental studies from the initial grafting of somites to avian chorio-allantoic membranes in the 1920's, through the extirpation experiments of the 1940's, the culturing of the 1950's and the search for pure inducers, to the refocussing of attention on the environ ment and matrix procucts which is dominating the studies of the 1970's. Many of the studies have utilized the embryonic chick as the experimental animal.

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Produktdetails

• Advances in Anatomy, Embryology and Cell Biology .53/4
• Verlag: Springer / Springer Berlin Heidelberg / Springer, Berlin
• Artikelnr. des Verlages: 978-3-540-08464-8
• 1977.
• Seitenzahl: 56
• Erscheinungstermin: 1. November 1977
• Englisch
• Abmessung: 235mm x 155mm x 4mm
• Gewicht: 120g
• ISBN-13: 9783540084648
• ISBN-10: 3540084649
• Artikelnr.: 33387275

Inhaltsangabe

1. Development and Division of the Somite.- 1.1. Migration of Pre-somitic Mesoderm.- 1.2. Segmentation of the Mesoderm into Somites.- 1.3. Subdivision of the Somites.- 1.4. Spinal Ganglia.- 2. Self Differentiation or Induction.- 2.1. 1925-1940: Grafts to the Avian Chorioallantoic Membrane.- 2.2. 1940's-1950's: In vivo Transplantation and Extirpation.- 2.3. 1950's Onwards": In vitro Chondrogenesis.- 3. The Inductive Tissues.- 3.1. Integrity of the Inducer and Vertebral Morphogenesis.- 3.2. When Do the Inducers Lose Their Inductive Ability?.- 3.3. Ability of Dermomyotome to Chondrify.- 3.4. The Search for a Pure Inducer.- 4. Ectopic Inducers.- 4.1. Can Ectoderm Act Inductively on Somites?.- 4.2. Other Ectopic (heterologous) Inducers.- 5. Synthesis of Glycosaminoglycans and Onset of Cartilage Differentiation.- 6. Production of Extracellular Matrix by Notochord and by Spinal Cord.- 6.1. Glycosaminoglycans.- 6.2. Collagen.- 7. Function of Extracellular Matrix Produced by Notochord and Spinal Cord.- 8. Discussion and Conclusions.- 9. Summary.- References.- Author Index.