Sensory and Sympathetic Innervation to Arteriole-Venule Shunts in a Fibromyalgia Patient (image) Integrated Tissue Dynamics (INTIDYN) Share Print E-Mail Caption These are digital images showing what the arteriole-venule shunts in a tiny biopsy of human palmar skin look like as seen under the microscope. The processing of the biopsy caused the sensory nerve fibers to appear yellow and the sympathetic nerve fibers to appear green. A shunt in a woman without fibromyalgia is shown to the left and a shunt from a woman with fibromyalgia is shown to the right. The woman with fibromyalgia has an excessive quantity of nerve fibers around her shunt. The increase mostly occurs among the sensory nerve fibers. Credit Frank L. Rice, PhD, Integrated Tissue Dynamics, LLC Usage Restrictions Except for media publication, permission to use these images must be obtained from Integrated Tissue Dynamics LLC by contacting FrankRice@Intidyn.com Share Print E-Mail Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.