although an alternative interpretation of the experimental results of crelin and koch supports the concept of skeletal origin , the majority of various experimental results by other authors would be in accordance with the following supposition : the osteoclast originates from a hematopoietic cell line ( mononuclear phagocyte system ) of the bone marrow which is essentially of extrinsic origin , but in the process of increasing the number of nuclei of the osteoclast , osteoblastic cells as well as osteoclastic cells can merge with the preosteoclasts or osteoclast .
C0007610
nuclei
C0007634
cells