94 APPLIED BACTERIOLOGY FOR NURSES 



is denoted by distinct inflammatory changes at the site 

 of the inoculation. This method of making the test is 

 often spoken of as the von Pirquet test. If a dihite 

 solution of tuberculin is dropped into the eyes, it may 

 give rise to a reaction in the form of a marked conges- 

 tion of the conjunctiva. This is spoken of as the con- 

 junctival or Calmette reaction. Rubbed into the skin 

 in the form of an ointment, tul^erculin may also give rise 

 to a reaction. This is Moro's test. 



Tuberculin is also used in the treatment of tubercu- 

 losis. For this purpose very minute quantities are in- 

 jected and the amounts gradually increased. 



