— 406 — 



difiference between animal and vegetable life. A branch of a bush 

 or a tree can be lopped off without any disturbance to the life or 

 health of the main trunk. No such immunity exists in the animal 

 creation. 



Synovia. — A clear, colorless and viscid fluid, secreted by the 

 lining membrane of the joints, for the purpose of preventing 

 friction, and allowing an easy motion of the heads of the bones 

 over one anotiier. Synovia sometimes changes in quality, becomes 

 thinner and gives rise to swellings of the joints. (See Blood and 

 Bog Spavin.) 



Synchronous. — This name is applied to the action or beat of 

 the heart, when it is in time with the beat or pulsation of an 

 artery. 



Systole. — The movement or contraction of the heart, as the 

 systolic murmur. 



Tabanidce. — A species of flies which are a great annoyance to 

 horses. 



Tabes. — Wasting of the muscles of the body. (See Mesen- 

 terica.) 



Talpae. — A wart-like tumor, easily removed with a sharp pair 

 of scissors. 



Teeth. — (See Mouth Diseases.) 



Tetanus. — (See Locked-jaw.) 



Tetter. — (See Skin Diseases.) 



Thick Wind. — (See Heaves and Broken Wind.) 



Thick Leg. — (See Grease and Farcy.) 



Thiselo.— (See Fistura.) 



Thoroughpin. — An affection of the hock -joint, accompanying 

 bog and blood spavin, characterized by soft, fluctuating swellings, 

 containing fluid or joint oil in increased quantit\% and an altered 

 quality. 



Treatment. The same as for bog or'blood spavins (which see). 



Thread Worms. — (See Worms.) 



Throat Diseases. — (See Bronchitis, Cold, and Catarrh.) 



Thrush. — See Foot Diseases.) 



Thrombus. — (See Jugular Vein.) 



Thumps. — This is spasm of the diaphragm, or the curtain 



