blood-cell forming tissue

The histological changes:In subchondral district,by light microscope examination,the blood-cell forming tissue tapered,and adipose tissue multed and degenerated,forming bone rarefaction. Adipose degeneration was observed in osteocyte of the femoral head with vacuous bone lacuna.
股骨头组织学变化:实验组光镜检查股骨头软骨下区见髓内造血组织逐渐减少,脂肪组织逐渐增多变性,出现骨质疏松;股骨头骨细胞内出现“占位性”脂肪变性,骨陷窝空虚。