DICTIONARY OF THE VETERINARY ART. 225 



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Ear. The horse's ear is merely an organ for collecting 

 sound ; consequently he has complete power over the muscles 

 attached to them, and can turn them in different directions. 



Effluvia. Invisible vapors that arise from bodies. 



Effusion. The oozing out of serum, or coagulable lymph, 

 from the blood-vessels. 



Embrocation. A liquid preparation for rubbing upon the 

 skin, and generally used for strains, bruises, and enlarged 

 glands. 



Emetic, Tartar. Tartarized antimony. A corrosive 

 metallic poison. Dr. White relates, " From examining the 

 stomachs of horses that have taken this mineral, I am satisfied 

 that irreparable mischief may be done with it, and certain it 

 is that a vast deal of unnecessary pain has been thus inflicted." 



Emphysema. Swellings which contain air. Such swell- 

 ings are known by a kind of crackling noise, or sensation, 

 when they are pressed with the finger. 



Emulgent Arteries. The arteries which convey blood 

 to the kidneys. 



Encanthis. A disease of the inner corner of the eye. 



Encysted. A term applied to tumors which consist of a 

 solid or liquid substance, contained in a sac, or cyst. 



Enteritis. Inflammation of the bowels. This is only a 

 symptom of disease, and is the result of plethora, or the sud- 

 den application of cold to the surface, the overloaded state 

 of the stomach and bowels. Obstinate spasm will produce it. 



Epidemic Diseases which spread over a whole country 

 at certain seasons, or any time. If many suffer in the same 

 manner, it is called epizootic. There are very few diseases 

 which assume, in its latter or earlier stages, such a variety of 

 forms ; perhaps depending on the location, and the peculiar 

 state of the constitution. Youatt writes, " In 1711, an 

 epidemic commenced, which, although it sometimes suspended 

 its ravages, would visit new districts; it also appeared in a 

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