Newly identified Type R capillaries crucial for bone remodeling and aging

Throughout our lives, our bones are continuously remodeled to maintain strength, repair injuries and adapt to new stresses. Bone dynamics depend on two associated cell types: osteoblasts, which are responsible for bone formation, and osteoclasts, which are responsible for bone resorption. Until now, it has not been understood how these cells function in the low-oxygen microenvironment of bone.

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