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12 terms

Vertebral Column

Identifying characteristics of vertebrae in the vertebral column
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cervical vertebra - typical
vertebral type with a forked spinous process
axis
pivots on C2; lacks a body
thoracic vertebra
bears facets for articulation with ribs; form part of bony thoracic cage
sacrum
forms a joint with the hip bone
lumbar vertebra
vertebra with blocklike body and short stout spinous process
coccyx
"tail bone"
atlas
articulates with the occipital condyles
lumbar curvature
five components; unfused
thoracic vertebra
twelve components; unfused
sacrum
five components; fused
fibrocartilage
tissue that makes up the intervertebral discs
herniated disc
ruptured disc where part of the disc distends and bulges out