the capacity of the bone marrow stromal microenvironment of nz mice to support b lineage precursor growth was tested in two ways : 1 ) the capacity of preformed nz bone marrow stroma to support b lineage cell growth in long term bone marrow cell culture under lymphopoietic conditions was assessed and 2 ) the capacity of nz bone marrow b lineage precursors to expand in vivo after sublethal ( 200 rad ) whole body irradiation was determined .
C0005955
cell
C0005953
bone marrow