160 



(;kok<;k w. corner 



Furthermore, these changes in the granulosa cells are found to 

 occur in all parts of the wall, as well in those areas as yet unin- 

 vaded as in those where granulosa and spindle-cells are already 

 intermingled. To sum up the evidence, there is a time in the 

 development of the corpus luteum, about three days after the 



I * I 



.<*f*\ 



jfte$>.\ 





fs 







- ^*' : 



-grlc. 



m 



sotsSP 



temp® 



Basse? 



m ■ 



' '-.--•.■..■ 





Wm 



mm 



-bv. 



V 



b. 



ike 



■■■<• 



: *3 





Fig. 15 a, Enlarged view of portion of same as shown by rectangle. X 1000. 

 gr.l.c, granulosa lutein cells; th.c, theca cells; b.v., blood-vessel. 



rupture of the follicle, when changes of structure within the 

 organ are already under way, and when many of the cells have 

 begun to acquire adult characteristics, but in some parts of the 

 organ the original relations of granulosa and theca interna are 



