![Cunningham's Text-book of anatomy. Anatomy. 762 THE NEKVOUS SYSTEM. lunibar spinal nerves, and it contains as well medullated fibres continued down from the lower part of the thoracic sympathetic trunk, and Cunningham's Text-book of anatomy. Anatomy. 762 THE NEKVOUS SYSTEM. lunibar spinal nerves, and it contains as well medullated fibres continued down from the lower part of the thoracic sympathetic trunk, and](https://c8.alamy.com/comp/RD6F63/cunninghams-text-book-of-anatomy-anatomy-762-the-nekvous-system-lunibar-spinal-nerves-and-it-contains-as-well-medullated-fibres-continued-down-from-the-lower-part-of-the-thoracic-sympathetic-trunk-and-derived-from-the-visceral-branches-white-rami-communicantes-of-the-lower-thoracic-nerves-this-part-of-the-trunk-is-characterised-by-great-irregularity-in-the-number-of-the-ganglia-they-are-usually-four-in-number-but-there-are-frequently-more-up-to-eight-and-in-extreme-cases-fusion-may-occur-to-such-an-extent-that-the-separation-of-individual-ganglia-becomes-impossible-1-central-RD6F63.jpg)
Cunningham's Text-book of anatomy. Anatomy. 762 THE NEKVOUS SYSTEM. lunibar spinal nerves, and it contains as well medullated fibres continued down from the lower part of the thoracic sympathetic trunk, and
Dr. Claudia Krebs 💉💉💉💉+😷 on Twitter: "Hello #anatomy twitterers! Why do preganglionic sympathetic fibres go through the white ramus communicans, which is distal, and then loop back through the grey ramus onto
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![Dr. Claudia Krebs 💉💉💉💉+😷 on Twitter: "Hello #anatomy twitterers! Why do preganglionic sympathetic fibres go through the white ramus communicans, which is distal, and then loop back through the grey ramus onto Dr. Claudia Krebs 💉💉💉💉+😷 on Twitter: "Hello #anatomy twitterers! Why do preganglionic sympathetic fibres go through the white ramus communicans, which is distal, and then loop back through the grey ramus onto](https://pbs.twimg.com/media/EEOn3mFVAAAFmFu.jpg:large)