Innervation of cervical ventral facet joint capsule: Histological evidence

Figure 1 A bundle of neurofilament reactive nerve fibers in a C3-C4 ventral facet joint capsular tissue (scale bar = 50 μm).

Figure 2 A series of substance P reactive fibers in a C2-C3 ventral facet joint capsular tissue (scale bar = 50 μm).

Figure 3 A nerve fiber revealed by a silver impregnation technique in the collagen fibers of a C4-C5 facet joint capsule (scale bar = 50 μm).

Figure 4 A Pacinian-like end organ in the ventral facet joint capsular tissue (scale bar = 50 μm).