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“ramus communicans”
ramus communicans, white ramus communicans, gray ramus communicans
One of the primary branches of a spinal nerve that connects with a sympathetic ganglion (a structure that contains a dense cluster of nerve cells).
Each one consists of a white portion (white ramus communicans) composed of myelinated pregangionic sympathetic fibers and a gray portion (gray ramus communicans) composed of unmyelinated postganglionic fibers.
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rami-, ram-
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