Block vertebrae is when two or more vertebrae are fused. It’s present from birth and can cause pain and reduced range of motion. Treatment may include medications, physical therapy, or surgery. Your ...

The vertebrae that make up the cervical spine are the smallest seven within the spinal column. These bones give the neck structure, support the skull, and protect the spinal cord, among other ...

Unlike nearly every mammal that has seven vertebrae in its neck no matter how long or short its neck, sloths stand out as oddballs with up to 10. Now it turns out sloths are part of the fold (sort of) ...

Differences in numbers of vertebrae are most extreme in mammals which do not rely on running and leaping, such as those adapted to suspensory locomotion like apes and sloths, a team of anthropologists ...