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2015-07-08T07:05:23+08:00
The difinition of node defined and explaiend 
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2015-07-08T08:52:10+08:00

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A node is a small mass of tissue such as your lymph nodes - normal and everyone has them as they are part of the lymphatic system.

It could also be pathologic (indicates a disease) such as in the case of vocal nodes.
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