200 CHAPTER 21. 



sore from external agents, and again it by degrees becomes organised, 

 and by successive layers in due time fills up the cavity. 



During the process of healing it, however, often happens that the 

 granulations become too luxuriant ; and in such case it will be necessary 

 to check their growth either by pressure or by the application of a caustic- 

 dressing. 



