what are the structural differences between the three types of vertebrae?
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Each of the three segments of the spine has a curve. The cervical spine and the lumbar curve both are convex anteriorly, while the thoracic spine curves the opposite way, convex posteriorly.
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The bones of the body come in a variety of sizes and shapes. The four principal types of bones are long, short, flat and irregular. Bones that are longer than they are wide are called long bones. They consist of a long shaft with two bulky ends or extremities.
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['Cervical spine: 7 vertebrae (C1–C7)', 'Thoracic spine: 12 vertebrae (T1–T12)', 'Lumbar spine: 5 vertebrae (L1–L5)', 'Sacrum: 5 (fused) vertebrae (S1–S5)', 'Coccyx: 4 (3–5) (fused) vertebrae (Tailbone)']
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So, what are the different types of bones? How are they categorized? There are five types of bones in the skeleton: flat, long, short, irregular, and sesamoid. Let's go through each type and see examples.
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['Cranial Bones.', 'Facial Bones.', 'Auditory Ossicles.', 'Vertebral Column.']
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But your spine contains many joints as well. The spine is made up of bones called vertebrae that are separated by disks. Each vertebra has two sets of facet joints. These are synovial joints located on either side of the posterior process of the vertebral bodies.
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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.
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The bones of the body come in a variety of sizes and shapes. The four principal types of bones are long, short, flat and irregular. Bones that are longer than they are wide are called long bones.
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Anatomy & Background There is one joint consisting of the intervertebral discs which connect the bodies of the vertebra. There are also two posterior and lateral joints with one on each side called facet joints. The facet joints provide support, stability and facilitate motion of the cervical spine.
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Characteristic of the vertebrate form, the human body has an internal skeleton that includes a backbone of vertebrae. Typical of mammalian structure, the human body shows such characteristics as hair, mammary glands, and highly developed sense organs.
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Although vertebrae range in size; cervical the smallest, lumbar the largest, vertebral bodies are the weight bearing structures of the spinal column.
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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. 2). Only the top 24 bones are moveable; the vertebrae of the sacrum and coccyx are fused.
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['The main functions of the vertebral bones are for structure ( posture ) and protection of the spinal cord.', 'The spine is split into five regions: the cervical, thoracic, lumbar, sacral, and coccyx.']
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The coccyx, or tailbone, is formed by a fusion of four vertebrae. The bones of the human skeleton are divided into two groups. The appendicular skeleton includes all the bones that form the upper and lower limbs, and the shoulder and pelvic girdles. The axial skeleton includes all the bones along the body's long axis.
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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).
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The vertebral column is made up of bones. It is part of the human skeleton. The spinal cord, on the other hand, is part of the central nervous system....
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The vertebrae of the spinal column are divided into five regions: cervical, thoracic, lumbar, sacral, and coccyx.