THE ANNEXES OP THE FCETUS 17 



villi. Each villus consists of a thin connective tissue layer 



Fig. 8.— Chorion PapillsB. (Mag. 57.) 

 a, Blood vessel with red blood corpuscles ; ft, epithelium ; c, papUlEe. 



Fig. 9.— Chorion Papilla. (Mag. 1030.) 



a. Epithelium, with capillary vessel ; ft, white, transparent, bright strip, possibly- 

 uterine milk. 



and capillary layer, and externally of a layer of pavement 



