582 



THE TISSUES. 



terior lips of the os uteri. Thus two (larger) columns of rugae 

 correspond to the posterior lip, and two (smaller) to the anterior. 



Fig. 389. 



Papillae of vagina and cervix uteri. A. Of the vagina. B. Of the os uteri, c. Of the canal of the 

 cervix uteri. (W. T. Smith.) 



(Fig. 390.) There are ten to fifteen primary rugae visible to the 

 naked eye in each column ; between which many secondary rugas, 



Fig. 390. 



Kugffi of cervix uteri. A. The cavity of a virgin cervix uteri, laid open. Natural size. B. Side 

 view of one of the columns of rugse and fossae. Magnified 60 diameters. (W. T. Smith.) 



irregularly arranged, appear under the microscope. (Fig. 391.) 

 Other irregular rugae are also found above, below, and between the 

 columns just described. All these fossae, thus formed, and which 



