For decades, scientists believed that a spine with multiple segments was an exclusive feature of land-dwelling animals. But the discovery of the same anatomical feature in a 345-million-year-old eel ...

The lumbar spine includes the five vertebrae in your lower back numbered L1 to L5. These bones help provide mobility and stability to your back and spinal column and are an attachment point for many ...

What is the anatomy of the spinal cord? The human spinal cord is a cylindrical structure of nerve tissue that is protected by the spinal column and composed of uniformly organized white and grey ...