the presence of factors responsible for the induction of fc receptors ( fcri ) and c3 receptors ( c3ri ) on mouse myeloid cells was determined in postendotoxin serum and in media conditioned by postendotoxin lungs , peritoneal macrophages , peritoneal granulocytes , and lymphocytes from either the lymph nodes , the thymus , or the spleen , fcri and c3ri were found only in postendotoxin serum and in media conditioned by either postendotoxin lungs or peritoneal macrophages .
C0031153
peritoneal
C0206190
peritoneal macrophages