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Supplemental PowerPoint Slides

Morphological Observation of Sympathetic Nerve Fibers in the Human Posterior

Longitudinal Ligament

Haiyan Li, M.M.*, Xuexiao Ma, M.D.*, Fengxia Liu*, Tengbo Yu, M.D. *, Bin Yue, M.D.*, Hongfei Xiang, M.M. *, Xiaolin Wu, M.M. *, Bohua Chen, M.D.** Department of orthopedics, the Affiliated Hospital of Qingdao University, Qingdao, China, 266003

Morphology of different nerve fibers fluorescence distributed along the posterior longitudinal ligament by fluororesence methods

scattered punctate nerve fibers on

the axial section linear nerve fibers on the sagittal section

Morphology of different nerve fibers fluorescence distributed along the posterior longitudinal ligament by fluororesence methods

X400 axis position X400 coronal position

×400 sagittal position

Surface

Deep

Cervical PLL may be innervated by different shapes of sympathetic nerve fibers in Human,wavy or linear under fluorescence microscope.

β fibers: straight, long, and thin, assembled in deep ligament tissue.

α fibers :tortuous, wavy, thick, and short, along the surface of ligament tissue.

comparison of images between cervical spondylosis and cervical trauma group

The cervical spondylosis group The cervical trauma group

X-rays

MRI X-rays

MRI