Surfaces

The surfaces of each vertebrae can be characterized by what region of the spine it is located in. The first section of vertebrae is the cervical curvature, the bones in this portion of the spine have an oval body. It also has a large vertebral forearm which is generally triangular and the transverse forearms allow vertebral arteries to pass through and service the brain. The thoracic vertebae is heart shaped with two small facets. these facets connect to the heads of the ribs. The vertebral forearm of these is circular and the spinous process is long and points sharply downward. The next region of the spine is the lumbar vertebrae, these are shorter and thicker than the other vertebrae. The processes of this portion of the spine are short and flat. they can be seen when a person bends over. The forearms of this vertebrae is triangular. the final two peices of the spine are the sacrum and coccyx. These bones are vertebrae that are fused together.

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