Hereâs one of the more well known areas of shark anatomy. 1  The fins of a shark are easily recognizable, and immensely important. Most sharks have five different types of fins, while some sharks only have four. These types of fins include: 2  Pectoral. 3  Pelvic. 4  Dorsal. 5  Anal. 6  Caudal.
spinal column. n. 1. (Anatomy) a series of contiguous or interconnecting bony or cartilaginous segments that surround and protect the spinal cord. Also called: spine, vertebral column or rachis Nontechnical name: backbone.
The vertebral column is the scientific, anatomical word for the spine or backbone. It is a column of vertebrae in the back part of the torso (upper body).There is a canal that runs through the length of the backbone. Inside this canal is the spinal cord.he vertebral column is divided by doctors into 5 sections called regions. These 5 regions from top to bottom are: 1  Cervical-Shown in red, this region supports the head. 2  It is made up of 7 vertebrae.