Abstract
WE have studied the effect of various antilymphocyte sera on lymphocytes, using the Stereoscan electron microscope1, and more recently we described the formation of long intercellular processes between macrophages and lymphocytes in certain conditions2. Process formation was particularly marked if macrophages from rats sensitized to tuberculin were incubated first with PPD and then with either normal lymph node cells or lymph node cells from rats sensitized to tuberculin (Fig. 1). In the former case, many macrophages were seen to be closely surrounded by clusters of lymphocytes.
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CLARKE, J., SALSBURY, A. & WILLOUGHBY, D. Application of Electron Probe Microanalysis and Electron Microscopy to the Transfer of Antigenic Material. Nature 227, 69–71 (1970). https://doi.org/10.1038/227069a0
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DOI: https://doi.org/10.1038/227069a0
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