immunization of sheep or horse with pig , canin or horse thymocytes produces heteroagglutinating antibodies , which allow to define two heterophile antigens : -- the first one , hc , immunogen for sheep , is localized on pig , human and canin thymocytes , as well as on red blood cells of the two latter species ; -- the other , hcp , immunogen for horses , is situated on the red blood cells and thymocytes of the same three species .
C0003333
heterophile
C0003320
immunogen