scipsy: Low power scanning electron microscope image, showing osteoporotic architecture in the fourth lumbar vertebra of an 89 year old woman (x20). The bone is heavily eroded in places by the action of osteoclasts and consists mainly of thin, fragile struts. (via Bone Research Society)

scipsy:

Low power scanning electron microscope image, showing osteoporotic architecture in the fourth lumbar vertebra of an 89 year old woman (x20). The bone is heavily eroded in places by the action of osteoclasts and consists mainly of thin, fragile struts. (via Bone Research Society)