three strains of staphylococcus aureus , serotype 18 , cowan i and serotype 66438 , and different species of streptococci ( streptococcus pyogenes , str , mutans , str . sanguis and str . faecalis ) were tested for their adherence to buccal cells ( as measured by interference contrast microscopy ) and phagocytosis by rat polymorphonuclear leucocytes ( pmns ) ( as measured by fluorescence microscopy with a vital fluorochrome , acridine orange ) .
C0007634
cells
C0031308
phagocytosis