50 



CHANGES IN THE UTERUS. 



Fig. 53. SECTION THROUGH A NORMAL PLACENTA OF SEVEN MONTHS IN SITU (Minot). 



Am, amnion ; Oho, chorion ; Vi, root of a villus ; vi, sections of the ramifications of villi in the 

 intervillous spaces, the larger bloodvessels within them are represented black : D. deep layer of the 

 decidua, showing flattened remnants of enlarged glands in spongy stratum ; Ve, uterine vein (? artery) 

 opening out of placental sinus ; Me, muscular wall of uterus. 



