228 BACTERIA 



BLASTOMYCOSIS 

 OIDIOMYCOSIS 



Oidium Albicans. Thrush, Soor. This organism resembles 

 both a yeast and a mould, because it exhibits characteristics that 

 are common to both of these forms. It exhibits budding yeast 

 cells and budding mycelia. The yeast cell is 6ju long and i/* wide, 

 but the cells vary very much in length and width. 



It stains well in tissues and cultures by Gram's method, and by 

 the ordinary basic stains. It may be cultivated on bouillon, 



FIG. 71. Thrush fungus. (Kolle and Wassermann.) 



blood serum, agar, potato, etc., and it is rather indifferent to the ; 

 reaction of the media. It grows best if sugars are present. It is, j 

 however, very susceptible to such antiseptics as phenol, salicylic 

 acid, subMmate, etc. 



Pathogenesis. Causes in man a condition known as oidio- , 

 mycosis, and in young children a very troublesome . stomatitis, : 

 which, if the child is weak and illy nourished, may result seriously. 

 It may cause metastatic abscesses in the brain, spleen, and kid- 



