in in vitro experiments the effect of bacterial endotoxin ( lipopolysaccharide e. coli o 26 : b 6 ) on the ingestion , nbt reduction , and the formation of cytoplasmic vacuoles of polymorphonuclear leukocytes in the atmosphere of 21 vol- % o2 and 99.9 vol- % n2 , respectively , was tested .
C0014264
bacterial endotoxin
C0023810
lipopolysaccharide