The spine (aka backbone) is a linked column of bones running from the head down to the ... There are 7 cervical vertebrae in the cervical region. There are 12 thoracic vertebrae in the thoracic region ...

The vertebral column comprises individual vertebral bones ... Its sections are called the cervical spine, the thoracic spine, and the lumbar spine. Neural foraminal stenosis can occur at any ...

In amphibians, the pectoral girdle becomes fused to the sternum which provides the thoracic region with ventral support, functioning like a sling that body rests on. In fish, the pelvic girdle is not ...