412 THE rilYSIOLOGY OF REPRODUCTION 



resulting from the degeneration of the prohferated eijithelial 

 cells. Between it and the spongy layer is the compact layer, 

 also foi'med from the sub-epitheUal layer. In it the glands are 



^t 







S^^iteS^". 



*«i*;"wwi>«s*»>»«K«ii( 



KlG. 90. — The uterine mucosa of the dog about the twenty-third day of 

 pregnancy. (From Duval's " Le Placenta des Carnassiers," Journ, de 

 VAnat. et de la Phy,«., 1893.) 



mffi, Tucsoblast; Ir, tvophoblast ; c, capillary layer; il, layer of glandular 

 detritus ; r/. glands of compact layer ; Sp, dilated glands of spongy 

 layer. 



