the mechanism of injury in the sensitized animal or in the human being so far along in typhoid fever that antibodies have begun to develop is in part one in which antigen , derived from the bacilli and brought into solution , or rather suspension , in the blood stream , reacts with antibodies which are from the beginning , or have subsequently become , integral parts of the cell protoplasm , the entire process taking place within the cell .
C0007634
cell
C0007613
the