![Dr. Claudia Krebs ππππ+π· 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 ππππ+π· 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)
Dr. Claudia Krebs ππππ+π· 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
![Anatomical study and clinical significance of the rami communicantes between cervicothoracic ganglion and brachial plexus - Song - 2010 - Clinical Anatomy - Wiley Online Library Anatomical study and clinical significance of the rami communicantes between cervicothoracic ganglion and brachial plexus - Song - 2010 - Clinical Anatomy - Wiley Online Library](https://onlinelibrary.wiley.com/cms/asset/16dffa88-e9d8-4ecf-a20d-f1116b3b9ac5/mfig001.jpg)
Anatomical study and clinical significance of the rami communicantes between cervicothoracic ganglion and brachial plexus - Song - 2010 - Clinical Anatomy - Wiley Online Library
![Gray ramus communicans nerve block procedures under the fluoroscopy.... | Download Scientific Diagram Gray ramus communicans nerve block procedures under the fluoroscopy.... | Download Scientific Diagram](https://www.researchgate.net/publication/353423062/figure/fig1/AS:1048942846410753@1627098871705/Gray-ramus-communicans-nerve-block-procedures-under-the-fluoroscopy-Anteroposterior-A_Q320.jpg)