PERIOSTITIS—OSTEITIS—OSTEOMYELITIS, 457 
fractures, are exposed or covered, according as the soft peri-osseous parts 
are divided or only bruised. Covered osteitis demands only rest, cold 
douches, compression, massage or resolutive applications. In the bony 
tissue, protected from germs, inflammation is slight, at first rarefying, then 
productive and ending in the integral reparation of the phlogosed tissue. 
With us it is a rule, with our patients, to apply upon the entire affected re- 
gion a blistering preparation, which helps the development of the process. 
As we have said, the fracture of the weakened bone is the Principal com- 
plication to be looked for. Hence the indication to keep the patient at 
rest for a more or less long time, according to the severity of the trauma- 
tism, and in serious cases, to keep him in slings. After recovery, there 
remains sometimes an exostosis whose treatment is the same as that of 
Fig. 99.—Dog suffering with osteo-parosis of the legs. (From a photograph.) 
other osseous neoproductions. This termination is the rule with chronic 
dsteO-periostitis. Covered traumatic osteitis may, however, end in sup- 
uration, when pyogenous microbes are carried there by the circulation. 
But this termination is specially frequent in open traumatic osteitis. (See 
Caries.) 
Actinomycosic osteitis is common, specially in the maxillary bones; 
lotryomycosic osteitis is very rare. (See Actinomycosis, Botryomycosis.) 
Tuberculous osteitis, frequent in man, is less known in animals. It has 
’een specially observed in cattle and birds. It is rare on the diaphysis, 
wut in preference occupies the epiphysis or the short bones. In bovines, 
{was seen on the tibia and the humerus (Moule), the ribs (Moule), the 
