The nucleus pulposus is composed of which of the following?
Correct Answer: White fibrocailage
Description: The disk contains a soft, centrally located nucleus pulposus, surrounded by the protective shell of the annulus fibrosis. The nucleus pulposus is composed of white fibrocailage. The disk contains no bone. Elastic fibrocailage is found in the larynx, epiglottis, and ear. The disk has a thin outer layer of hyaline cailage, but this does not involve the nucleus pulposus.The annulus fibrosus is the ringlike outer poion of the disk and consists of fibrocailage and fibrous tissue. The fibrocailage is in a series of concentric laminated bands.
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Anatomy
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