Spine Flashcards
How many vertebrae are there?
33
How many of each type of vertebrae are there?
7 cervical 12 thoracic 5 lumbar 5 sacral 4 coccygeal
4 curves of the spine
Cervical lordosis
Thoracic kyphosis
Lumbar lordosis
Sacral kyphosis
What transmits and protects the spinal cord?
Vertebral foramen
vertebral arch also protects the spinal cord
What are the atypical vertebrae?
C1 (atlas)
C2 (axis)
C7 (vertebra prominens)
Which vertebrae has no body or spinous process?
C1
Which vertebrae has an odontoid process/dens?
C2
What kind of joint are the intervertebral discs?
Secondary cartilaginous joint
What are the 2 layers of the intervertebral discs?
Nucleus pulposus (inner) Anulus fibrosus (outer)
What makes up the facet joints?
Inferior articular processes
Superior articular processes
The exiting root is outside the thecal sac and passes _____ the corresponding _____
The traversing root pain remains in the thecal sac in preparation to penetrate the thecal sac and become the next exiting nerve root more distally
Underneath
Vertebra
Erector spinae muscle
Iliocostalis
Longissimus thoracis
Spinalis thoracis
Ligaments of the spine
Anterior longitudinal ligament Posterior longitudinal ligament Ligamentum flavum Supraspinous ligament Interspinous ligament
