DICTIONARY OF THE VETERINARY ART. 271 



paring away the horn, it quickly spreads under the horny sole, 

 and upwards through the laminated substance of the foot, and 

 breaks out at the coronet. (See Coronet.) To prevent this, 

 the parts, as soon as the accident has happened, should be 

 bathed with healing balsam. If the horse goes lame for sev- 

 eral days, a poultice must be applied to promote suppuration. 



Prim^: ViiE. The first passages, or stomach, and first intes- 

 tines. 



Probang. An instrument for removing any obstruction in 

 the oesophagus or gullet. It consists of a rather flexible rod, 

 covered with leather, with a round, smooth nob at one end. 



Probe. An instrument for examining wounds. 



Prolapsus. The falling down of a part, as of the uterus 

 or fundament. 



Psoas Muscles. The muscles that lie under the loins. 

 These muscles are sometimes injured in strains of the loins. 



Pulmonary Diseases. Diseases of the lungs. 



Pulmonary Vessels. The blood-vessels and air-vessels of 

 the lungs, which consist of the pulmonary artery and vein, 

 and the bronchia, or branches of the windpipe. 



Pulse. The beating of the arteries. The horse's pulse is 

 most conveniently felt in that part of the carotid artery which 

 passes under the angle of the lower jaw. 



Puncta Lachrymalia. Two orifices near the inner corner 

 of the eye, through which the tears pass. 



Pupil. The apple of the eye. 



Pus. The white matter formed by the process of suppuration. 



Pylorus. The inferior portion of the stomach. 



Q 



Quarter III, or Quarter Evil. There is a variety of 

 names given to this disorder, such as joint murrain, or garget, 

 black quarter, quarter evil, black leg, blaine in the tongue. 

 The causes of this disease are generally too liberal an allow- 

 ance of food; or a sudden transition from poor keep to lux- 

 urious and nutritious diet. In some cases the energy of the 



