126 



TEXT-BOOK OF EMBRYOLOGY. 



Blood vessel 



Base of villus 



in section 



^ : -lv ; USi-ii^I:^ \ Uterine glards 

 ^ = j^^_.' ? !?? I r ! r' j Base of decidua 



,Muscular coat 

 of uterus 



FlG. 114. Vertical section through wall of uterus and placenta in situ; about seven months' 



development. Minot. 



