CHANGES IN THE NON-PREGNANT UTERUS 79 



Embryology. This classification, as will be seen later, is iden- 

 tical with that adopted by Heape 1 in describing the menstrual 



^ff^Sj^, 

 i\- 9".$'. ' -s-jj/ 



I8F 



*'.''.*%' 



.^"Safe 



"'-'.. ":' '-' '-'''.-^ ;':- .'.--.'.'V--\y"-?"''^;V'--Vv;' ; j':- i ^ ,.' >: ' '. ^'.'' ':'.'t?^'v^'^-V^--"' : - 

 .'.. . ." .j .*';:>.->: -'x;,-: .^.;^.'--. ; ' / ;v'v.:v';. v '.-': ; :' .' V ; 



"'**: . ! "*"'.''.' ; '. .! } :T5l5A^5Bw2' ;-? ''.-' <".". [':'.- ^- '. '"'.> 



:'.-:--" "" : - ---;;:-:"; . ;--'.V-'' : -.'-'' ' ,''-^ ; "'^ '.-M": -' v l * 

 ; : -.- -. //". .' : '--.- , : --<?;,- .";-: '-.,.-;_ ; ^ . ; .-:,- : w ; ^-'- ; ,"'. 



FIG. 5. Section through wall of vagina (upper part) of monkey. 



a, epithelium ; b, sub-mucous layer ; c, lymphatic gland ; d, nerve ; 

 e, Pacinian body ; /, fat cells. 



1 Heape, "The Menstruation of Semnopithecus," &c., Phil. Trans., B., 

 vol. clxxxv., 1894, and vol. clxxxviii., 1897. A similar classification has been 

 adopted by Minot (Human Embryology, 1892), who divides the menstrual 

 process into (1) Tumefaction ; (2) Menstruation ; and (3) Restoration of the 

 mucosa. 



