DECIDUA VERA OF FIRST STAGE. 



347 



Comp. 



Cav. 



m , a : 



FIG. 228. VERTICAL SECTION OF A HUMAN UTERUS 

 (DECIDUA VERA), ONE MONTH PREGNANT. 



Comp, Compact layer. Cav, Cavernous layer. D, 

 Gland-duct. Art, Spiral artery. Cl, Spaces 

 occupied by epithelial glands. Muse, Muscu- 

 laris. (For clearness all the glandular epithe- 

 lium has been omitted from the drawing.) 



FIG. 229. HUMAN UTERUS, ONE MONTH PREG- 

 NANT. SECTION OF GLAND FROM THE CAVERN- 

 OUS LAYER, WITH THE EPITHELIUM PARTLY 

 ADHERENT TO THE WALLS. X 445 diams. 



FIG. 230. HUMAN UTERUS, ONE MONTH PREGNANT. SECTION OF A GLAND FROM THE CAVERNOUS LAYER WITH 

 THE EPITHELIUM LOOSENED FROM THE WALLS. THE EPITHELIAL CELLS ARE SWOLLEN. 



