INFLAMMATION, SUPPURATION 67 



weak, the result being a severe general infection; 

 while in another case an extensive wound which 

 seemed to have had every condition favorable to a 

 grave infection, healed by " first intention " or with 

 no sign of inflammation or suppuration. 



In suppuration there is a gathering of the leucocytes 

 to the point of infection, followed by a liquefaction 

 of the tissue with necrosis (death) of the cells, the 

 result being a creamy fluid which we know as pus. 

 There may be inflammation without suppuration. 



In septiccemia the organisms develop in the blood, 

 and there may be no local point of infection, but 

 symptoms of profound general poisoning. 



In pycemia abscesses occur in all parts of the body, 

 externally as well as in the internal organs. 



The bacteria commonly found in boils, carbuncles, 



abscesses, and many other infections be- 



* 5/ 

 long to the group called staphylococci, of /*. ' 



*>*' *V: 



which there are two types : staphylococcus * ' Y 

 (pyogenes) albus, and staphylococcus (pyo- 

 genes) aureus, the latter distinguished by its produc' 

 tion of a bright yellow pigment. 



The cells of staphylococcus aureus are arranged in 

 irregular groups not unlike clusters of grapes, and 

 are said to be the most resistant to drying, heat, and 

 chemicals of any of the non-spore-bearing bacteria. 



