Degree of severity: A bulge is when the disc has lost some water content and has lost some of its ability to resist the pressure pushing down on it. A herniation is when some of the inner portion of the disc (imagine the texture of crabmeat) has pushed out and is pressing against a nerve.
Answered 5/2/2015
6.3k views
None: When a disc protrudes from its normal site it is said to be bulging or herniated. These are essentially synonyms for the same pathology.
Answered 10/3/2016
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