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bradley.knox
on FreezingBlue Flashcards.
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Where does the vertebral column begin and end?
- Begin = Foramen magnus
- End = Tip of Coccyx
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How many vertebre and disks form the vertebral column? How many mobile segments?
- 33 vertebrae
- 23 discs
- 24 mobile segments
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What are the boundaries of the Vertebral foramen?
- Anterior = PLL and Vertebral body
- Lateral = Pedicles
- Posterior = Lamina and Ligamentum Flavum
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What are the primary and secondar curvatures of the spine?
- Primary = Thoracic kyphosis, Sacral kyphosis
- Secondary = Cervical lordosis, Lumbar lordosis
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What are the boundaries of the typical IV Foramen
- Anterior = Vertebral bodies and IV disk
- Superior = Inferior vertebral notch
- Inferior = Superior vertebral notch
- Posterior = Facet joint
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What are the main contents of a typical IV Foramen?
- Spinal nerve
- Dorsal root ganglia
- Recurrent meningeal nerve
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What type of joint is formed by the bodies and IV disk?
Symphysis joint (fibrocartilage)
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What is the soft gelatinous center of the IV disk called?
Nucleus pulposus
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What is the fibrocartilage outer ring of the IV disk called?
Anulus fibrosus
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What innervates the IV disk?
Recurrent meningeal nerve
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How many vertebral column ligaments are there?
Seven
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What are the ligaments of the vertebral column? and what are there functions?
- Anterior Longitudinal Ligament- prevents hyperextension
- Posterior Longitudinal Ligament- prevents hyperflexion
- Supraspinous ligament- prevents hyperflexion
- - Nuchal ligament- extension of SSL after C7
- Interspinous ligament
- Intertransverse ligament
- Ligamentum Flavum
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What is the extension of the PLL from C2 to Occipital bone?
Tectorial membrane
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What is the name of the joint between vertebral bodies and what type of joint is it?
- Intervertebral joint
- Symphysis
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Where is the facet joing/zygapophyseal/apopphyseal located and what type of joint is it?
- Between inferior and superior articual facets
- Synovial (hyaline cartilage)
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What type of joint is held together by the ligamentum flavum and where is it located?
- Syndesmosis joint (bones held together by ligaments)
- Joint between the laminae
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