TRICHOMONAS VAGINALIS 



659 



the body, while the attached axoneme terminated at the posterior end of 

 the membrane or was continued for a short distance as a flagellum. In 

 some individuals a definite cytostome could be detected, while a supporting 

 rod at the base of the membrane was also present. Certain individuals 

 which were evidently degenerating gave rise to structures resembling 

 Blastocystis (Fig. 270, 7-9). There was very little difference in the length 

 of the membrane in the large and small forms, the larger forms appearing 



Fig. 270. — Trichomonas vaginalis (x 1,300). 

 1-6. Ty|iical forms. 



(Original, from Living Specimens.) 

 7-9. Degenerate forms. 



to have been developed from the smaller ones by overgrowth of the pos- 

 terior part of the body. The smaller forms did not differ in any respect 

 from T. hominis of the intestine. 



From the case investigated by him, Lynch (1915rt) obtained a culture 

 of both the vaginal and oral Trichomonas, which, however, were maintained 

 only for a short time. 



A Trichomonas has also been found in the male urethra in cases of 

 urethritis. It was seen in the urine by Dock (1894, 1896), Marchand (1894), 



