Scientists have officially grown a notochord—the tissues that act as the “GPS for the developing embryo” by guiding the ...

Bone segments form the column. One bone segment is a vertebra, and multiple bone segments are vertebrae. Ligaments and muscles connect these vertebrae, and a disc separates most of the vertebrae and ...

The spine consists of bones called vertebrae and discs between two bones. The disc is an avascular structure – meaning it has ...

Your upper back (thoracic spine) contains 12 vertebrae (spinal bones) and intervertebral discs that separate and cushion the ...