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Claudia Krebs on X: "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
Selective block of grey communicantes in upper thoracic sympathectomy. A feasibility study on human cadaveric specimens
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Medicina | Free Full-Text | Gray Ramus Communicans Nerve Block for Acute Pain Control in Vertebral Compression Fracture
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Anatomical study and clinical significance of the rami communicantes between cervicothoracic ganglion and brachial plexus - Song - 2010 - Clinical Anatomy - Wiley Online Library
![Claudia Krebs on X: "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 Claudia Krebs on X: "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](https://pbs.twimg.com/media/EEOn3mhUEAIDcTR.jpg)