994 



GENERATIVE APPARATUS. 



across horizontally, the vagina is in relation with the rectum above, below with 

 the bladder, and laterally with the sides of the pelvis and the ureters. Con- 

 nective and adipose tissues surround it posteriorly. 



Internal conformation. — The inner surface of the vagina is always lubricated 

 by an abundance of mucus, and is ridged by longitudinal folds {colvmnic riu/oscB). 



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In front, at the bottom of the canal, is observed the projection formed by the 

 cervix uteri ; posteriorly, this surface is continuous with that of the vulva. 



Structure.— The vagina is formed of two tunics— an inner, murous, and 

 an external, muscular. The mucous memhratie (pale red in colour) is continuous 

 with that lining the vulva and the uterus (and bladder) ; it is provided with 



