accessory cells from different sources , such as peritoneal exudate cells , irradiated spleen cells , cells of the macrophage line p388 d1 and macrophages from a single colony grown from bone marrow precursors in semi-solid media in the presence of colony-stimulating factor all reconstituted lps reactivity of the accessory cell-depleted b cells .
C0005953
bone
C0009392
colony-stimulating