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The discs have a tough outer covering of cartilage that provides support (the annulus fibrosus) and a soft, jellylike center that provides the cushioning (the nucleus pulposus). The intervertebral discs have the following functions: They provide cushioning for the vertebrae and reduce the stress caused by impact. By keeping the vertebrae separated from each other, they act as a type of shock absorber for the spine.
Basically, the intercalated disc consists of three types of membrane junctions-these include Fascia Adherens, Macual Adherens, Gap Junctions. These three membrane junctions have their own functions and in fact help in the effective working of the intercalated disc.he heart of the human beings is made up of cardiac muscles which are different from smooth and skeletal muscles. Inside the cardiac muscles is the intercalated discs which is known to join various adjacent cells together.