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Vertebral Column Voc

Anatomy Vocab

TermDefinition
Vertebral Column or Spine the spine, formed of a number of individual bones called vertebrae and two composite bones (sacrum and coccyx)
Vertebrae Made up of the Sacrum, coccyx, cervical vertebrae, thoracic vertebrae, and lumbar vertebrae
Intervertebral Discs the discs of fibrocartilage between the vertebrae
Herniated Discs drying of the discs, along with a weakening of the ligaments of the vertebral column, predisposes older people with this.
Primary Curvatures the spinal curvatures in the thoracic and sacral regions
Secondary Curvatures the curvatures in the cervical and lumbar regions
Body or Centrum disclike, weight-gearing part of the vertebra facing anteriorly in the vertebral column
Vertebral Arch arch formed from the joining of all posterior extensions, the laminae and pedicles, from the vertebral body.
Vertebral Foramen canal through which the spinal cord passes
Transverse Processes two lateral projections from the vertebral arch
Spinous Process single projection arising from the posterior aspect of the vertebral arch(actually the fused laminae)
Superior and Inferior Articular Processes paired projections lateral to the vertebral foramen, allowing a vertebra to form joints with adjacent vertebrae
Cervical Vertebrae form the eneck region of the spine
Atlas the first cervical vertebra; articulates with the occipital bone of the skull and the second cervical vertebra (axis)
Axis the second cervical vertebra; has a vertical projection called the dens around which the atlas rotates.
Dens a large upright process which acts as the pivot point
Thoracic Vertebrae are all typical. They are larger than the cervical vertebrae and are distinguished by the fact that they are the only vertebrae to articulate with the ribs.
Lumbar Vertebrae have massive, blocklike bodies. Their short, hatchet-shaped spinous processes make them look like a moose head from the lateral aspect.
Sacrum is formed by the fusion of five vertebrae
Coccyx is formed from the fusion of three to five tiny, irregularly shaped vertebrae.
Created by: lorettabritton
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