Ch 5/Unit 4 More Bones and Joints

Front

What is the axial support of the body?

Back

Vertebral column (spine)

Front

What are the irregular bones that make up the vertebral column?

Back

Vertebrae (33 total)

Front

What is the function of intervertebral discs?

Back

Fibrocartilage found between vertebrae to allow the spine to be flexible

Front

What are primary curvatures?

Back

Spinal curvatures in thoracic and sacral regions present at birth

Front

What are secondary curvatures?

Back

Spinal curvatures in cervical and lumbar regions not fully developed at birth

Front

What are cervical vertebrae?

Back

Vertebral bones in the neck region (7)

Front

What is the atlas?

Back

First cervical vertebra (C1); has no body but has large depressions to receive occipital condyles of the skull

Front

What is the axis?

Back

Second cervical vertebra (C2) with the dens, a pivot point for head rotation to say 'no'

Front

What are thoracic vertebrae?

Back

Vertebral bones in the chest region (12)

Front

What are lumbar vertebrae?

Back

Vertebral bones in the lower back (5)