6i2 Diseases of the Genital Organs 



has failed to open, owing to an arrest in the development of 

 the embryo. It has likewise been stated that, when the hy- 

 men remains imperforate, the accumulation of mucus and 

 menstrual debris eventually forces the cervical canal and 

 distends the uterus. Various changes in the cervix may 



Fig. 193 — Cystic Degeneration of Uterine Walls with Excessive 



Hydrometra. Uterus contained about 10 gallons of lymph 

 /, Cervix; 2, cavity of left horn, right in shadow; j (insert) section of 

 cystic ovary. (Insert, below) Enlarged section of wall (photograph.) 



cause a retention of the uterine discharges. It will also be 

 shown, while dealing with the diseases of the vagina, that 

 atresia resulting from vaginitis dams back uterine and 

 cervical secretions and distends the uterus with fluid. 



