1) Back 2) Spine 1) Cervical septet 2) Facet joints connect them 3) Parts of a column 
the bones of the spinal column 
• (pl. ) of Vertebra
<anatomy> One of 23 bones (excluding the sacrum) in the cervical, thoracic and lumbar regions that comprise the spine. There are 7 cervical vertebrae, 12 thoracic and 5 lumbar vertebrae. The bottom of the spine is fused and forms the sacrum. ... (27 Sep 1997) ... 
Bones that make up the backbone (spinal column).
One of 33 bony segments that form the spinal column. There are 7 cervical, 12 thoracic, 5 lumbar, 5 sacral and 4 coccygeal vertebrae. 
Vertebrae: The preferred plural of vertebra. (The alternate plural is vertebras.) See also: Cervical vertebrae; Coccygeal vertebrae; Lumbar vertebrae; Sacral vertebrae; and Thoracic vertebrae.Common Misspellings: vertabrae
The vertebrae (singularly known as a vertebra) are irregularly shaped bones which stack together to form the spinal column. The vertebrae are connected together by ligaments and muscles which control the degree of flexibility of the spine. The vertebrae are cushioned from each other by cartilage disks which act as shock absorbers to protect the ver...
Blocklike bones that make up the spinal column and through which the spinal cord runs.
Plural of vertebrate - or the bones of the spine
33 ring-shaped bones that make up the backbone
The segments of the spinal column; separated by disks made of connective tissue (sing.: vertebra).
bones in the spinal column
The segments of the backbone. Each vertebrae is separated from adjacent vertebrae by a spongy structure called a disk.