426 



Acute Contagious Conjunctivitis 



appear to be sinking into the medium after thirty-six hours, 

 entire tube of medium may eventually be liquefied. 



The 



Fig. 146. — Morax-Axenfeld 



diplobacillus. Smear 

 (Brown Pusey). 



taken from conjunctiva 



Upon agar-agar containing serum, grayish-white colonies of 

 small size, resembling colonies of gonococci, are formed. Growth 

 is slow. Bouillon is slowly clouded. 



Fig. 147. — The Morax-Axenfeld diplobacillus of conjunctivitis. Magnified 

 1000 diameters (Rymowitsch and Matschinsky). 



Pathogenesis. — The pathogenic and specific nature of the diplo- 

 bacillus was made clear by Morax, who produced the disease in 

 man by placing a pure culture upon the human conjunctiva. 



