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63 Cards in this Set
- Front
- Back
How many vertebrae is the vertebral column made up of?
What are they? |
33 vertebrae
Cervical Thoracic Lumbar Sacral Coccygeal sections |
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Which vertebrae convex forward (aka?) ? |
Lordotic
Cervical and lumbar |
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Which vertebrae convex backward (aka?) ? |
Kyphotic
Thoracic and sacral |
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A typical vertebra consists of? |
2 main parts
Body (anterior element)
Vertebral arch (posterior element)
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The vertebras body's main function is? |
Support body weight |
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What is the compact bone on the superior and inferior surfaces of the vertebral body called? |
Vertebral end plate |
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The ringlike arch that attaches to the side of the body that creates a space called? |
Vertebral foramen |
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The ringlike arch that attaches to the side of the body that creates a space called? |
Vertebral foramen |
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The succession of the vertebral foramina forms ?
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Vertebral canal |
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The ringlike arch that attaches to the side of the body that creates a space called? |
Vertebral foramen |
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The succession of the vertebral foramina forms ?
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Vertebral canal |
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What contains and protects the spinal cord? |
Vertebral canal |
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What forms the vertebral arch? |
2 - pedicles
2 - laminae
2 - spinous process
2 - transverse processes
2 - superior articular processes
2 - inferior articular processes
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What is formed when two pedicles project from the body to meet with two laminae, which continue posteriorly and medially to form ? |
A spinous process |
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What projects laterally from the junction of the pedicle and lamina |
Transverse process |
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What is located on the upper and lower surfaces of the pedicles with a concave surface? |
Vertebral notch |
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What is located on the upper and lower surfaces of the pedicles with a concave surface? |
Vertebral notch |
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What is formed when the superior and inferior notches of adjacent vertebrae meet? |
Intervertebral foramina |
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What allows for the transmission of spinal nerves and blood vessels |
Intervertebral foramina |
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How many articulate processes are there?
What are they? |
4 articular processes
2 superior and 2 inferior
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How many articulate processes are there?
What are they? |
4 articular processes
2 superior and 2 inferior
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When the articular processes arise from the junctions of the pedicles and laminae to articulate with adjacent vertebrae they form? |
Zygapophyseal joints (Facet joints) |
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Gives additional support and allow movement of the vertebral column |
Zygapophyseal joints |
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What are shock absorbing and separates the vertebral bodies? |
(Cartilaginous)
Intervertebral disks |
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Intervertebral disks consists of ?? |
Semigelatinous material called Nucleus Pulposus ----(inside)
And a firm outer portion termed annulus fibrosus-----(outside)
Like crustables |
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How many cervical vertebrae are there? |
7 |
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How many cervical vertebrae are there? |
7 |
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Within the transverse process of each cervical vertebra is a ?
What's it for? |
Transverse Foramen
Allow passage of the vertebral arteries and veins |
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What is the first cervical vertebra termed?
Why? |
Atlas
Because it supports the head |
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What is the first cervical vertebra termed?
Why? |
Atlas
Because it supports the head |
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What is formed when the atlas's large superior articular processes articulate with the occipital condyles of the cranium? |
Atlantooccipital joint |
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The atlas has no? |
Has no body and no spinous process |
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The atlas has no? |
Has no body and no spinous process |
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What does the atlas consist of? |
Anterior arch Posterior arch And two large lateral masses |
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What is the second cervical vertebra called? |
Axis |
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What is the second cervical vertebra called? |
Axis |
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What does the axis have and where does it project?
Why? |
Has a large odontoid process (dens)
It projects into the anterior ring of the atlas
Acts as a pivot for rotational movement of the atlas |
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The atlas articulates with the axis at the ? |
Atlantoaxial joint |
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C3-C6 have ? |
Bifid spinous processes |
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The seventh cervical vertebra is aka ?
It has a long ? That is palpable ?
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Vertebra prominens
Has a long spinous process
Palpable posteriorly |
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How many vertebrae make up the thoracic section? |
12 |
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All thoracic vertebrae have ?
They are located ??
Articulates with |
Costal facets
Located on the body and transverse process
Articulates with the ribs |
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Within the thoracic vertebrae the head of the rib articulates with vertebral bodies at the |
Costovertebral joints |
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Within the thoracic vertebrae the head of the rib articulates with vertebral bodies at the |
Costovertebral joints |
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Within the thoracic vertebrae the tubercle of the ribs articulates with the transverse processes at the ? |
Costotransverse joints |
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How many vertebrae does the lumbar section have? |
5 |
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How many vertebrae does the lumbar section have? |
5 |
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How is L5 characterized? |
By its massive transverse processes |
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How is the upper body transferred? |
From the fifth lumbar vertebra to the base of the sacrum across the L5-S1 intervertebral disk |
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What does the sacral section consists of? |
5 vertebrae that fuse to form the sacrum |
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Sacrums transverse processes combine to form ? Which articulates with the pelvic bones at the ? |
Lateral Masses (ala)
Sacroiliac joints |
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Sacrums transverse processes combine to form ? Which articulates with the pelvic bones at the ? |
Lateral Masses (ala)
Sacroiliac joints |
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What is the sacral foramina used for? |
Allows for the passage of nerves |
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In the sacrum the anterior surface of the body is called ? |
Sacral promontory |
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In the sacrum the anterior surface of the body is called ? |
Sacral promontory |
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A bony landmark that separates the abdominal cavity from the pelvic cavity |
Sacral promontory |
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In the sacrum the anterior surface of the body is called ? |
Sacral promontory |
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A bony landmark that separates the abdominal cavity from the pelvic cavity |
Sacral promontory |
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In the 5th sacral segment the spinous process is absent leaving an opening termed ? |
Sacral hiatus |
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What is located inferior to the fifth sacral segment? |
Coccyx |
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What is located inferior to the fifth sacral segment? |
Coccyx |
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Coccyx is formed by |
3 to 5 small fused bony segments |
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What represents the most inferior portion of the vertebral column |
Coccyx |