histomorphometric analyses of selected sequential fluorescent-labeled bones of rats treated with 0 , 0.3 , 1.0 , 3 , or 6 mg pge2/kg/d for 21 days showed that the doses pge2 depressed longitudinal bone growth , increased growth cartilage thickness slightly , decreased degenerative cartilage cell size and cartilage cell production slightly , and increased proximal tibial metaphyseal hard-tissue mass markedly .
C0007301
cartilage
C0225369
cartilage cell