DEVELOPMENT OF THE GRAAFIAN FOLLICLE 407 



held to account for the fatty infiltration and final degeneration 

 of the lutein cells, because of the consequent interference with 

 their vascular supply. 



By continued development the entire mass of lutein cells is 



FlG. 329. OUGANIZED COKPOKA LUTEA IN THE OVARY OF A DOG. 



a, a, corpora lutea ; 6, 6, remnants of the ovarian cortex ; c, c, blood vessels, one of which 

 is filled with blood. Hematein and eosin. Photo, x 12. 



