Sensory neuropeptide stains have demonstrated pain nerves in which areas of the spine?
SP and CGRP sensory markers found in synovial membrane of facet joints (Giles, etal, Lancet 2:692, 1987) SP and CGRP sensory markers found in ligamentum flavum (Ahmed, etal, Spine: 18, 2121-2126, 1993) SP and CGRP sensory markers found in annulus fibrosis (Konttinen, etal, Spine 15: 383-386, 1990) SP sensory marker detected in posterior longitudinal ligament (Korkala, etal, Spine 10: 156-7, 1985)