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 the spinal
![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
![Which of the following is a correct statement about rami communicantes? a) Gray rami communicantes consist of postganglionic nerves only. b) Gray rami communicantes are located in the central nervous system c) Which of the following is a correct statement about rami communicantes? a) Gray rami communicantes consist of postganglionic nerves only. b) Gray rami communicantes are located in the central nervous system c)](https://homework.study.com/cimages/multimages/16/rami_communicantes2495028470615518761.png)
Which of the following is a correct statement about rami communicantes? a) Gray rami communicantes consist of postganglionic nerves only. b) Gray rami communicantes are located in the central nervous system c)
![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)