126 VETERINARY SURGICAL THERAPEUTICS. 
cabsorbed rapidly, or, on the contrary, remain there without sustaining 
any sensible change. Often, by allowing their escape, the duration of 
treatment is much shortened. Modified physiological fluids and some 
‘pathological collected in the tissues or in natural cavities ought to be 
evacuated at once. A severe antiseptic treatment should follow. 
As to gases, they are generally absorbed by degrees or eliminated. 
According to the case, they are left alone (expecting treatment), or 
their expulsion is stimulated by massage, or an outlet is opened to 
them by puncture. 
