the size of different granulocytic cell compartments ( granulocytic and macrophage precursor cells , proliferative and nonproliferative morphologically recognizable granulocytic cells ) in the bone marrow , spleen , and peripheral blood was determined , and activity of granulocytic stimulators ( colony-stimulating activities derived from lung-conditioned medium of endotoxin-treated rats and from spleen cells stimulated in vitro with pokeweed mitogen ) was investigated .
C0005953
bone
C0018183
stimulators