42 PRACTICE OF EQUINE MEDICINE. 



4. When injected, it must produce the same disease and be 

 found in the lesions. 



Name some that fulfil these conditions. 



The bacilli of glanders, tetanus, dysentery, anthrax, diph- 

 theria, tuberculosis, bubonic plague, typhoid, malignant oedema; 

 also pneumococcus, streptococcus pyogenes (sepsis), actinomyces, 

 meningococcus, gonococeus, and spirillum cholerse. 



Other specific organisms have been found that do not have 

 all the above conditions. 



MOKBID ANATOMY. 



Define morbid anatomy. 



This is a division of general pathology, and is the study of 

 the changes in the tissues and fluids of the body, appreciable to the 

 naked eye or with the aid of the microscope. 



State some of the benefits to be derived from post-mor- 

 tem examinations. 



To become expert diagnosticians it is essential to verify our 

 forethoughts and conclusions by post-mortem examinations. 



We are also enabled to become familiar with the various tis- 

 sues and organs in the state of health as well as in disease, all of 

 which tends to aid us in future examinations of living subjects. 



SEMIOLOGY. 



Define semiology or symptomatology. 



Symptoms are the language of diseased nature; symptoms and 

 signs are such alterations in the healthy functions as give evidence 

 of the existence of a diseased condition or perverted function. 



Why do we study symptoms? 



We study symptoms to enable us to make a diagnosis or prog- 

 nosis, and to be able to treat. 



Symptoms are how divided? 



Symptoms may be divided into objective and subjective. 



Define each. 



Symptoms are said to be objective when evident to the senses 

 of the observer; subjective, when felt and complained of by the 

 patient. 



Symptoms are also general or local, idiopathic or sympathetic 

 (secondary), premonitory (precursory) or commemorative. 



