the effects of 1,25-dihydroxy vitamin d3 [ 1,25 ( oh ) 2d3 ] , prostaglandin ( pge2 ) , and osteoclast-activating factor ( oaf ) on the size of osteoclasts , nuclei , ruffled borders , and clear zones in cultured long bones of fetal rats were quantitated .
C0033554
prostaglandin
C0012472
pge2