FCETAL NUTRITION: THE PLACENTA 429 



Hubrecht 1 has suggested that erythrocytes may be manu- 

 factured in the decidual cells, and their iron-containing granules 

 may thus be utilised (see p. 494). 



Fat Metabolism. Regarding the presence of fat in the 



YIG. 103. Iron granules in the placenta of the rabbit at the eighteenth day 

 of pregnancy. (Chipman.) 



a, iron granules in mesoblast ; 6, iron granules in multinucleate decidual 

 cells ; g, iron granules in ectodermal tubules. 



1 Hubrecht, "Ueber die Entwicklung der Placenta von Tarsius und 

 Tupaja," Internat. Congr. ofZool., Cambridge, 1898. 



