OVARY 



189 



As the glands take form they become separated from the Wolffian body, remaining 

 attached to it only by a stalk or mesentery the mesovarium or mesorchium, as 

 the case may be. 



poophoron 



FIG. 238. LONGITUDINAL SECTION THROUGH THE OVABY OF A CAT-EMBBYO CF 9'4 CM. LONG 

 (SCHEMATIC). (After Coert, from Hertwig's Handbuch der Entwickelungslehre.) 



epithelium 



*vy^ >'**'?'& 



medulla 



,->- ^ 



FIG. 239. SECTION OF THE OVARY OF A HUMAN FCETUS OF THE FOURTH MONTH. 



The ovary retains longer the primitive characters, in respect that the germinal 

 epithelium remains many-layered, and retains its proliferative activity. The 

 future history of the gland is explained by the fact that the mesenchyme grows 



