InhaltsangabeIntroduction.- The Extracellular Matrix.- Cytoskeleton.- Pseudopodia and Adhesion Structures.- Adhesive Interactions of Tissue Cells with the Extracellular Matrix.- Cell Migration.- Cell Responses to Chemical Heterogeneity of Substrata: Adhesive "Islets" or  "Paths".- Topographic Cell Responses.- Intercellular Adhesive Interactions.- Conclusions.