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13 terms

Vertebral Column

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cervical
vertebral type containing foramina in the transverse processes, through which the vertebral arteries ascend to reach the brain
axis
dens here provides a pivot for rotation of the first cervical vertebra (C1)
thoracic
transverse processes faceted for articulation with ribs, spinous process pointing sharply downward
sacrum
composite bone, articulates with the hip bone laterally
lumbar
massive vertebrae, weight sustaining
coccyx
tail bone, vestigial fused vertebrae
atlas
suppors the head, allows a rocking motion in the conjunction with the occipital condyles
vertebral foramen
cavity enclosing the spinal cord
body
weight bearing portion of the vertebra
spinous and transverse process
provide levers against which muscles pull
body and transverse process
two structures that provides an articulation point for the ribs
intervertebral foramina
openings providing for exit of spinal nerves
body and vertebral arch
two structures that form an enclosure for the spinal cord