200 



upon the various diseases with which the horse is afflicted, 

 with a better understanding: reo^ardinof the interest of our 

 readers, than we would have done had we passed this 

 subject by unnoticed. 



Capillaries. — The blood is the pabulum from whence 

 is elaborated the entire organism, as well as the source 

 from whence are derived all the various secretions and 

 excretions of the system ; but, in order that these pur- 

 poses may be accomplished, it is necessary for the fluid in 

 question to be circulated through, or its materials brought 

 in contact with every tissue requiring fresh nutrition, as 

 well as through the various secretory and excretory or- 

 gans. To effectually accomplish this, we find a class of 

 structures set apart and adaiirably adapted in every way 

 to fulfil the purposes required. The first of these is the 

 heart itself; next com.es the large blood conduits, the ar- 

 teries, which spring from the former, as the tree springs 

 from the earth ; while the arteries again terminate in a 

 series of vessels of wonderful minuteness, just as the 

 boughs of a tree terminate in the twigs. These minute 

 vessels are denominated capillaries. These capillaries 

 ramify, and are placed in the most intimate relation with 

 every tissue throughout the body within whose substance 

 reproduction and decay are in perpetual operations, as 

 well as with those organs whose duty it is to furnish or 

 sepaiate the secretions and excretions already referred to. 

 Each tissue selects from the common pabulum — the blood 

 — thus sent to it, the peculiar principle it requires to sup- 

 port its own life and integrity. 



The usual terminations of inflammation are resolution, 

 mortification, suppuration, ulceration, hemorrhage, effu- 

 sion, hepatization, and ossification. By resohitt'on is 



