What are the regions of the spine in order?

The vertebrae are numbered and divided into regions: cervical, thoracic, lumbar, sacrum, and coccyx (Fig. 2). Only the top 24 bones are moveable; the vertebrae of the sacrum and coccyx are fused. The vertebrae in each region have unique features that help them perform their main functions.

What are the 5 sections of your spine in correct order?

The spine is composed of 33 bones, called vertebrae, divided into five sections: the cervical, thoracic, and lumbar spine sections, and the sacrum and coccyx bones.

What is the correct order of vertebral regions?

Thoracic, lumbar, cervical, sacral.

How many regions are in the spine?

Anatomically, the spine is divided into four regions: The top seven vertebrae that form the neck are called the cervical spine and are labeled C1-C7. The upper back, or thoracic spine, has 12 vertebrae, labeled T1-T12. The lower back, or lumbar spine has five vertebrae, labeled L1-L5.

What are the 4 regions of the spinal cord?

The spinal cord is a cylindrical structure of nervous tissue composed of white and gray matter, is uniformly organized and is divided into four regions: cervical (C), thoracic (T), lumbar (L) and sacral (S), (Figure 3.1), each of which is comprised of several segments.

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What is the D spine?

Definition. One of the three distinct portions along the spine or the vertebral column (the other two are the cervical spine and the lumbar spine), and is the longest section comprised of twelve thoracic vertebrae that house the spinal cord along the rachidian channel.

What is the correct order of the vertebrae from top to bottom?

From top to bottom, the vertebrae are: Cervical spine: 7 vertebrae (C1–C7) Thoracic spine: 12 vertebrae (T1–T12) Lumbar spine: 5 vertebrae (L1–L5)

What are the 3 areas of the spine?

The spine has three normal curves: cervical, thoracic and lumbar. There are seven cervical vertebrae in the neck, 12 thoracic vertebrae in the torso and five lumbar vertebrae in the lower back.

Which spinal nerves affect which parts of the body?

The nerves of the cervical spine go to the upper chest and arms. The nerves in your thoracic spine go to your chest and abdomen. The nerves of the lumbar spine then reach to your legs, bowel, and bladder. These nerves coordinate and control all the body’s organs and parts, and let you control your muscles.

What are the 3 regions of the spine?

The normal anatomy of the spine is usually described by dividing up the spine into three major sections: the cervical, the thoracic, and the lumbar spine. (Below the lumbar spine is a bone called the sacrum, which is part of the pelvis). Each section is made up of individual bones, called vertebrae.

What part of the spine controls the heart?

Thoracic (mid back) – the main function of the thoracic spine is to hold the rib cage and protect the heart and lungs. The twelve thoracic vertebrae are numbered T1 to T12.

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