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(JK()H(JK W. CORNER 



not be an actual tear, but merely an oedematous area in which 

 the cells, connective-tissue fibers, and blood-vessels of the thecae 

 interna and externa are held apart by the tissue fluids. How- 

 ever, over many of the folds, and always in the depressions 

 between the folds, the theca interna is neither torn nor oedema- 



dep 









fear-- - 





y 













"~ : .: : ' J : .' 



Fig. 11 Portion of wall of recently ruptured Graafian follicle (sow in heat 

 first day of oestrus, ova in tubes; same animal as in figures 9 and 10), showing 

 torn area in theca interna in a fold of the wail. X 80. gran., membrana gran- 

 ulosa; th.int., theca interna; tear, torn area in theca interna; dep., depression 

 or recess between folds of wall. 



tous (fig. 11, dep.). The tears do not separate the theca interna 

 from the granulosa; these two layers are everywhere in apposition, 

 and the boundary between them is still marked at most points 

 by the slight wall of condensed connective-tissue fibers, origin- 

 ating in the innermost layer of the theca interna, the so-called 



