the transplantation of 0.5-1 x 10 ( 7 ) balb/c mouse bone marrow cells into lethally irradiated cba recipient mice and the subsequent explantation of the recipient spleens resulted in active hemopoietic progenitor cell ( colony forming cell ; cfc ) regeneration in organ cultures but not in vivo .
C0018956
hemopoietic progenitor cell
C0007634
cell