This makes bones more porous and weaker than normal, healthy bones.

The skull consisted of porous, non-rigid bone interlaced with blood vessels.

The original porous bone has been consolidated to become much heavier than it would have been in life.

As we age, the process can skew toward bone destruction, leading to porous, weak bones that break easily a condition called osteoporosis.

These countries also suffer among the world's highest rate of fractures due to osteoporosis, the disease characterized by weak, porous bones.

A major contributor to the problem of thinning, porous bones is osteoporosis, most common in women after menopause.

They took only the dead boughs, which now lie scattered along the edges of the pastures like porous old bones.

Literally meaning "porous bone," it results in an increased loss of bone mass and strength.

Bone loss can result in osteoporosis, which means "porous bones."

Fractured vertebrae are often the result of osteoporosis, a condition that causes weak, porous bones.