X-ray manifestations: femoral head and femoral neck bone density decrease in 5 cases.

X线表现：5例股骨头、股骨颈及股骨粗隆骨质密度减低；

youdao

It also had effect on bone density decrease caused by animal ca ab - sorption decrease.

对动物因钙吸收减少而引起的骨密度减少小也有作用。

youdao

Conclusion LASIK is scatheless to cornea endothelial cells, and can't bring modality change and density decrease.

结论L ASIK手术对角膜内皮细胞无损伤，不会造成角膜中央部内皮细胞形态改变和密度降低。

youdao

"The results suggests that home cooks and restaurants could take an easy step toward obesity prevention by adding more fruits and vegetables and trimming the fat to decrease energy density without having to serve tiny portions, " she said.

BBC: NEWS | Health | Cutting down calories 'is easy'

In the past, it was widely believed that a decrease in bone density was the main cause of osteoporotic fractures.

ECONOMIST: Medicine

Double your vegetable intake and reduce fat -- Both of these changes will significantly decrease the calorie density of your diet without decreasing the volume of food that you consume.

CNN: How can I maintain my energy level for sports while on a diet?