Haemopoietic Stem Cells -- Contents -- Chairman's introduction -- Stem cell role of the lymphocyte-transitional cell (LT) compart- ment -- Discussion -- Attempts at morphological identification of the haemopoietic stem cell in primates and rodents -- Discussion -- The radiation chimera as an experimental model for the study of haemopoietic stem cell populations -- Discussion -- Precursor cells to erythroblasts and to small lymphocytes of the bone marrow -- Discussion -- Kinetic and haemopoietic properties of lymphoid cells in the bone marrow -- Discussion -- Regulation of growth and differentiation in haemopoietic colonies growing in agar -- Discussion -- Cellular communication early in haemopoietic differentiation -- Discussion -- Control of granulopoiesis -- Discussion -- Regulation of thrombopoiesis -- Discussion -- Size and proliferation of stem cell compartments in mice after depression of erythropoiesis -- Discussion -- Effects of anaemia on DNA-synthesizing cells in the blood and observations on their origin -- Discussion -- Ageing, haemopoietic stem cells and immunity -- Discussion -- Hyperplasia of myeloid and lymphoid tissue (pseudo-leucosis) in mice bearing passaged sarcomas -- Discussion -- General Discussion -- Population control -- More about morphology -- Intracellular factors -- Extracellular factors -- Colonialism -- Epilogue -- Index of Contributors -- Subject Index.