“…10,[12][13][14][15][16]29,30,36,52 Potential Clinical Relevance Previous investigations by Olmarker and other researchers 32,35,37,48,50,53,54 provided circumstantial evidence that the nerve root injury seen at disc herniation may not solely come from mechanical irritation, but may also be induced by NP tissue coming into contact with the nerve root or liberated substances that irritate the nerve. 10,[12][13][14][15][16]29,30,36,52 Potential Clinical Relevance Previous investigations by Olmarker and other researchers 32,35,37,48,50,53,54 provided circumstantial evidence that the nerve root injury seen at disc herniation may not solely come from mechanical irritation, but may also be induced by NP tissue coming into contact with the nerve root or liberated substances that irritate the nerve.…”