Glossary of disc pathology terms
	n Herniation: nonspecific term subject to misinterpretation. n Not recommended. n Bulge: diffuse enlargement of disc area n Very common n Usually not clinically important n May contribute to spinal stenosis n Protrusion: nucleus pulposis pushes focally through fibers of annulus fibrosis n Base wider than apex n May focally impinge on nerve or thecal sac