PATHOLOGY. 95 



they are subject to the same diseases as other 

 vefsels, viz; inflammation and suppuration, -we 

 think is evident. 



In the horse, a diseased action of these vefsels 

 constitute what is commonly called Farcy, which 

 lias been generally understood to be a disease of 

 the veins, produced by sizy blood ; farriers having 

 been led into this error, by observing it to pro- 

 ceed in the track of the external blood-vefsels, and 

 from being unacquainted with the course of the 

 lymphatics, which always accompany the veins. 



When these vefsels become diseased, they form 

 corded tumours, which are called Buds*. These 

 buds are principally, in the incipient stage, of the 

 farcy, on the inside of the thigh, fore-arm, and on 

 the neck and shoulders, beginning at the extremi- 

 ties, and gradually proceeding nearer to the source 

 of circulation ; their obstruction causing cedematose 

 swelling of the legs ; and, as it increases, the whole 

 system puts on the same appearance. 



These buds at first, when only in a state of in- 

 flammation, are very painful, but nearly insensible, 



a-" - ...,-.., , , — . .... — -. 



* These buds putting on a corded appearance, is owing 

 to the great number of valves found in these vefsels. 



