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Ch 9
LSpine (reproduced)
Question | Answer |
---|---|
What are the functions of the vertebral column? | encloses and protects the spinal cord, acts as a support for the trunk, supports the skull, provides for attachment of deep muscles of the back and ribs. |
How is the vertebral column held together? | via ligaments |
How many sacral vertebrae are there? | 5 |
Which are the false vertebrae? | the fixed or fuzed lower sections – sacrum and coccyx |
Why kind of curve is the lumbar curve? | convex anteriorly, lordotic curve |
What is a primary curve? | the curve present at birth |
What is a secondary or compensatory curve? | one that develops after birth |
When does the lumbar curve begin to develop? | 1 to 1 1/2 years when the child begins to walk |
What is the difference between female and male lumbar curves? | females have a more pronounced lumbar curve and have a more acute angle at the lumbosacral junction |
What is the inside of the intervertebral disk called? | nucleus pulposus |
What is the outer fibrocartilage of the intervertebral disk called? | annulus fibrosus |
What is a slipped disk? | herniation of the nucleus pulposus |
What passes through the intervertebral foramina? | spinal nerves and blood vessels |
Which way are laminae projected from the pedicles? | posteriorly and medially |
Alternate name of zygapophyseal joints | interarticular facet joints |
What type of marrow is contained in irregular bones? | red |
What is the function of an irregular bone? | muscle, tendon, bone and ligament attachment |
Is the pelvis part of the axial or appendicular skeleton? | appendicular |