The Mnellerian Ducts 



35 



The cervical mucosa is very complex. It is thrown into 

 deep and ample longitudinal folds, which upon cross section 

 (See Figs. 16 and 17) are seen to radiate centralward from 

 the basal mucosa, the summits of the rugae converging to 

 meet at the central axis of the cervical canal. The cervical 

 mucosa of the ruminant is also thrown into very ample cir- 



FiG. 16 (Above) and Fig. 17 (Below). 

 Transverse section of the cervix between the Annular Folds. 

 Fig. 16— Viewed from the uterine end. From left to right they represent the first, 

 second, third, and fourth annular rings respectively. A, Cervical canal ; 31. 

 muscular wall of cervix. 



Fig. 17 — Annular folds -viewed from the vaginal end. 



