relative to controls , bone marrow derived from s1/s1d mice exhibited a significant decrease in hematopoietic colonly-forming units in culture , but no differences were apparent in the absolute numbers of fibroblastic plaque-forming units or in the ability of such plaques once derived to stimulate hematopoietic colony growth when overlain with fresh normal bone marrow preparations .
C0018957
hematopoietic
C0005953
bone marrow