130 



, TEXT-BOOK OF EMBRYOLOGY. 



Blood vessel 



.>.. . . Q 



**%&'*'& ?*& **.** e>: . -\*.^f,-^ 



*." Tf??Sff?: .. ^/~Zz,~ ~ > .-^r&:''& 



Base of villus 



Villi in section 



'J''& ^Uterine glards 

 Base of decidua 



^Muscular coat 

 of uterus 



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



development. Minot. 



