What are the main sections of the vertebral column?

The vertebral column is commonly divided into specific sections that reflect the different regions of the spine, each with distinct anatomical characteristics and functions. The correct choice identifies five key regions: the cervical, thoracic, lumbar, sacral, and coccygeal.

The cervical section comprises the first seven vertebrae of the spine, located in the neck area, playing a crucial role in supporting the head and allowing a wide range of movement. The thoracic section follows, consisting of twelve vertebrae connected to the ribs, providing protection for the thoracic organs and contributing to the structure of the chest.

Moving down, the lumbar section includes five vertebrae in the lower back, which are larger and designed to bear much of the body’s weight and provide flexibility and stability. The sacral section consists of five fused vertebrae that form the back of the pelvis, connected to the hip bones. Lastly, the coccygeal section refers to the tailbone, composed of four fused vertebrae that provide attachment for various muscles and ligaments.

This correct classification of the vertebral column highlights both its structural organization and functional significance, making it an essential concept in understanding spine anatomy.