* *» 



Fig. 12. Rachitic bone removed 1 week after implantation. Note giant cell 

 (GC) on calcified bone bnt not on osteoid (OS). Gomori, hematoxylin and 

 eosin. (X 350.) 



Fig. 13. Racliitic bone removed 3 weeks alter implantation. A giant cell 

 (GC) is in contact with calcified bone, but not with osteoid (OS). Von Kossa, 

 hematoxylin and eosin. (x 350.) 



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