GENITAL ORGANS OF THE FEMALE. 



641 



by a single layer of columnar ciliated epithelium, that extends 

 to the external os, where the epithelium is of the stratified 



Tube. 



Reflection of. 

 peritoneum. 



FIG. 429. Anterior view of virgin uterus, showing relations of cervix to corpus 

 uteri and reflection of peritoneum at isthmus. 



squamous variety. Some authorities describe this latter variety 

 of epithelium as covering the lower third of the cervical mucous 



FIG. 430. Section of human uterus, including mucosa (a) and adjacent mus- 

 cular tissue (6) ; c, epithelium of free surface and tubular uterine glands (d) ; /, 

 deepest layer of mucosa, containing fundi of glands; h, strands of non-striped 

 muscle penetrating within the mucosa (Piersol). 



membrane. In the mucous membrane are numerous uterine glands 

 (Fig. 430), into which the ciliated epithelium extends. The 

 41 



