the monoclonal antibody ( f 10-44-2 ) described in this report recognizes an antigen which by quantitative absorption analysis is found predominantly on spleen , lymph node , bone marrow , thymus , granulocytes and brain , the amount of antigen on these tissues being approximately the same within a factor of 2 or 3 .
C0005953
bone marrow
C0018183
granulocytes