DICTIONARY OF THE VETERINARY ART. 283 



capillaries, and that it is further urged on by some contrac- 

 tile force resident in these vessels themselves. That the 

 blood is advanced in its course by the action of those mus- 

 cles contiguous to veins furnished with valves, is, without 

 doubt, well founded, as far as an occasional auxiliary is con- 

 cerned, as the common operation of bleeding demonstrates ; 

 for it is in consequence of muscular pressure upon the veins 

 about the head, that the motion of a horse's jaw accelerates 

 the flow of blood through the jugular vein : as such, how- 

 ever, it cannot be ranked among the essential causes of the 

 blood's motion in them. 



Ventricle. One of the cavities of the heart. (See 

 Heart.) 



Vermifuge. Medicines that destroy or expel worms. 



Vertebrje. The bones of the neck and spine. 



Vertigo. A slight degree of apoplexy. 



Viscera. The plural of viscus, a term applied to the in- 

 ternal organs, as the lungs, bowels, &c. 



Vives. A swelling of the parotid gland, which is situated 

 between the ear and the angle of the jaw. 



Vulva. A name given to the external parts of generation 

 in females. 



w 



Wall Eyes. A horse is said to have a wall eye, when 

 the iris is of a light or white color. 



Warbles. Small, hard swellings on the horse's back, 

 caused by the pressure, or heat, of the saddle. 



Warts. Spongy excrescences which arise in various parts 

 of the body. 



Water. (See Watering, part first.) 



Wens. Hard tumors, of various sizes, in different parts of 

 the body. The most effectual method of removing them is, 

 to dissect them out, together with the cyst, or bag, in which 

 they are formed. The skin is then to be stitched up, and 

 tieated as a common wound. 



