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Vertebrae are the 33 individual, interlocking bones that form the spinal column. Each vertebra has three main functional components: the vertebral body for load-bearing, the vertebral arch to protect the spinal cord, and transverse processes for ligament attachment.
- What is a vertabrae?
- What are the 3 types of vertebrae?
- How many vertebrae are in the spine?
- What are the 7 vertebrae?
- What are the 4 types of vertebrae?
- Which vertebra has the Odontoid process?
- Which vertebrae is most important?
- What is the main function of the vertebrae?
- What body parts are in your back?
- Is a broken vertebrae serious?
- What is the lowest vertebrae in your back?
What is a vertabrae?
Vertebrae. Vertebrae are the 33 individual bones that interlock with each other to form the spinal column. The vertebrae are numbered and divided into regions: cervical, thoracic, lumbar, sacrum, and coccyx (Fig. ... The first vertebra (C1) is the ring-shaped atlas that connects directly to the skull.
What are the 3 types of vertebrae?
The vertebrae are divided into three groups. There are seven cervical vertebrae (names C1 through C7), twelve thoracic vertebrae (named T1 through T12), and five lumbar vertebrae (named L1 through L5).
How many vertebrae are in the spine?
The average person is born with 33 individual bones (the vertebrae) that interact and connect with each other through flexible joints called facets. By the time a person becomes an adult most have only 24 vertebrae because some vertebrae at the bottom end of the spine fuse together during normal growth and development.
What are the 7 vertebrae?
Position of human cervical vertebrae (shown in red). It consists of 7 bones, from top to bottom, C1, C2, C3, C4, C5, C6, and C7. In tetrapods, cervical vertebrae (singular: vertebra) are the vertebrae of the neck, immediately below the skull.
What are the 4 types of vertebrae?
There are 33 vertebrae in the human spine that are split into four regions that correspond to the curvature of the spine; the cervical, thoracic, lumbar, sacrum, and coccyx. The vertebrae of the sacrum and coccyx are fused, but those of the cervical, thoracic and lumbar regions are separated by intervertebral discs.
Which vertebra has the Odontoid process?
Description. The odontoid process (also dens or odontoid peg) is a protuberance (process or projection) of the Axis (second cervical vertebra). It exhibits a slight constriction or neck, where it joins the main body of the vertebra.
Which vertebrae is most important?
Some people have 6 lumbar vertebrae. These vertebrae are your largest and strongest vertebrae, responsible for carrying a lot of your body's weight. The lumbar vertebrae are also your last "true" vertebrae; beneath this region, your vertebrae are fused by the time you stop growing.
What is the main function of the vertebrae?
The vertebrae protect and support the spinal cord. They also bear the majority of the weight put upon your spine. The body of each vertebra is the large, round portion of bone. The body of each vertebra is attached to a bony ring.
What body parts are in your back?
Cervical, Thoracic, Lumbar and Sacral Spinal Anatomy
- The cervical spine (neck) The neck supports the weight of the head and protects the nerves that run from the brain to the rest of the body. ...
- The thoracic spine (upper back) ...
- The lumbar spine (lower back)
Is a broken vertebrae serious?
Spinal fractures can vary widely in severity. Some fractures are very serious injuries that result from high-energy trauma and require emergency treatment. Other fractures can be the result of a lower-impact event, such as a minor fall, in an older person whose bones are weakened by osteoporosis.
What is the lowest vertebrae in your back?
The lumbar spine is the lower back that begins below the last thoracic vertebra (T12) and ends at the top of the sacral spine, or sacrum (S1). Most people have 5 lumbar levels (L1-L5), although it is not unusual to have 6. Each lumbar spinal level is numbered from top to bottom—L1 through L5, or L6.
