What are vertebras? types and processes of the vertebrae (spine)

The vertebrae of the spine definition: 

Short bones are attached to each other forming the backbone. Although differences have the same structures have several vertebrae. Although some are especially different.
The vertebrae have a cylindrical body, the upper and lower faces are slightly concave.
Vertebrae consist of a set of processes they salienras called apophyseal mass.
The apophyseal masses have a special name:


Spinous process 1
Transverse processes 2 and 2a
Articular processes 3, 3a and 3b The union of the vertebral body and apophyseal mass is composed of two bony bridges on the sides, top and back of the vertebral body. They are called vertebral pedicles.
The vertebrae have a medulla which passes through the spinal cord and its coverings. The duct is limited by the vertebral body, and sides by the vertebral laminae that bind to you