The Skeletal System 2 (lab unit 2)
Why cervical vertebrae have transverse foramina in their transverse processes?
for blood vessels going to the head
What are the functions of the processes on vertebrae?
muscle and ligament attachment, support, keep spine a lined.
What is lordosis?
swayback, an exaggerated convex curvature of the lumbar
What is the purpose of intervertebral discs?
to form strong joints, permit movement, and absorb vertical shock
What is a herniated disc?
when the nucleus pulposus protrudes into or through the surrounding fibrocartilage
What vertebrae have a convex curve?
Cervical and lumbar
What does concave mean?
Curve away from viewer
What does convex mean?
Curve towards the viewer
What is scoliosis?
Lateral deviation of vertebral column usually affecting the thoracic region
Which region does herniated discs occur most frequently?
Lumbar region
What structure lies in the vertebral foramen?
Spinal cord surrounding by CSF
When secondary curves form?
When a baby starts using the muscles in that area
When are primary curves form?
as a fetus
What curves of the vertebrae are classified as secondary curves?
cervical (when baby holds their head up) and lumbar (when baby starts walking
What bones of the pectoral girdle articulate with the axial skeleton?
clavicle
What is kyphosis?
hunchback, exaggerated concave curve of the thoracic region
What makes up the vertebral arch?
pedicle and lamina
Why is this so painful?
the disc pokes your spinal cord causing extreme pain
What curves of the vertebrae are classified as primary curves?
thoracic and sacral
What vertebrae have a concave curve?
thoracic and sacral