454 



Diseases of the Ge?iital Organs 



or other instrument into the uterine cavity. Eventually 

 the ovary and oviduct participate in the changes which be- 

 come clinically recognizable. 



The diagnosis of endometritis in the heifer, pending the 

 enlarged flabby condition of the uterus, is not practicable 

 except for the history of sterility and the absence of other 

 evidences of disease. In this respect one finds it impossible 

 to differentiate between endometritis and salpingitis. As a 



Fig. 162— Chronic Endometritis in Five-Year-Old, Non-Pregnant 



Heifer which had Never Conceived. 



/, Cervix ; 2, cornua ; j, small right ovary ; 4, left ovary with 



lar^e, persistent corpus luteutn. 



general rule, they probably coexist, since the essential differ- 

 ence is that, when the disease changes are limited to the cer- 

 vix and uterus, each of which is somewhat amenable to in- 

 terference, there is hope for the breeding power of the 

 heifer. The principal evidence upon which one may tenta- 

 tively differentiate endometritis from salpingitis is by the 

 presence or absence of cystic degeneration of the corpus 

 luteum and the irregular estrual cycle dependent upon that 



