FOETAL NUTRITION: THE PLACENTA 429 



Hubrecht * 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 



a 



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

 of pregnancy. (Chipman.) 



a, iron granules in raesoblast ; b, iron granules in multinucleate decidual 

 cells ; g, iron granules in ectodermal tubulo. 



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

 Tupaja," Internal. Congr. of Zool., Cambridge, 1898. 



