FCETAL NUTRITION: THE PLACENTA 



495 



Beneden. Its cells are in a state of active division, and they appear 

 later to lose their outlines and merge into the syncytium. The 

 growth of the latter from the mother-zone of cytoblast occurs, not 



as a solid mass, but in strands forming primitive syncytial villi 

 (Fig. 150). Into the syncytium project outgrowths of the cytoblast, 

 forming the cellular villi of Peters and Leopold. In the youngest 

 ovum the formation of these buds was just commencing, and, according 

 to Bryce and Teacher, they tended to grow out not so much into the 



