Titlebook: Germinal Centers in Immune Responses; Proceedings of a Sym H. Cottier,N. Odartchenko,C. C. Congdon Conference proceedings 1967 Springer-Ver

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Ontogenetic Development of the Germinal Centers and Their Function — Relationship to the Bursa of Fas of lymphoid cells of the bursa of Fabricius; these cells appear to represent intermediate stages in plasma cell differentiation. Further, we shall present evidence that Peyer’s patch type of intestinal lymphoid tissues serve as the mammalian counterpart of the avian bursa.

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Germinal Centers in the Tonsilla Caecalis — Relationship to the Thymus and the Bursa of Fabriciusneonatal thymectomy influences delayed hypersensitivity responses (. et al., 1962; . and ., 1963; . et al., 1965), the extirpation of the bursa at hatching affects antibody production (. et al., 1956; . et al., 1960). Evidence forthcoming from several laboratories (. and ., 1962; . and ., 1963; . et

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Observations on the Ultrastructure of Lymphatic Tissue Germinal Centersocytes by the intravenous route. Electron microscopy studies were correlated with autoradiographic methods of analysis. 4 hours after a single injection of antigen in which Thymidine-.H was employed, two types of labeled cells were observed in germinal centers: large and medium sized lymphocytes (.,

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Basic Peptides Produced in Polymorphonuclear Leucocytes and Thymus-Evidence of Complexes with Serum mphnodes (. and ., 1957; . and ., 1954; . and ., 1961). These tissue peptides, as well as many synthetic peptides, elicit similar physiological phenomena such as: vasodilation, vascular permeability, heparin antagonism, leucocyte sticking and emigration, and cytotoxicity (., 1965; . and ., 1964; . a

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Lymph Node Plasma Cell Production in Secondary Immune Responselogical appearances. In recent years, the combination of autoradiographic techniques with various forms of immuno-fluoretic identification of antibody has firmly established that two distinct groups of antibody containing cells can be recognized. In the major group, cells are the classical mature pl