Figures 398, 399. — Osteoclasts from tlie bone marrow of adult chickens. 



2,470X. 



398 Osteoclast that appears to have but one nucleus, but others were present at lower 

 focal levels. Acidophilic material in the central portion characteristic of osteoclasts. 



399 Multinucleated osteoclast. Boundary of cell often difficult to determine. 



204 



