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7 terms

A&P ReviewSheet 10 The Vertebral Column

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atlas
supports the head; allows a rocking motion in conjunction with the occipital condyles
axis
dens here provides a pivot for rotation of the first cervical vertebra (C1)
cervical vertebra-typical
vertebral type containing foramina in the transverse processes, through which the vertebral arteries ascend to reach the brain
coccyx
"tail bone"; vestigial fuses vertebrae
lumbar vertebra
massive vertebrae; weight-sustaining
sacrum
composite bone; articulates with the hip bone laterally
thoracic vertebra
transverse processes faceted for articulation with ribs; spinous process pointing sharply downward