The Skeletal System 2 (lab unit 2)

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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


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