Greater Splanchnic Coeliac Ganglion — FRCA Primary MCQ
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Correct answer: A — Coeliac ganglion
The greater splanchnic nerve carries preganglionic sympathetic fibres from T5-T9 that pass through the sympathetic chain without synapsing. They pierce the diaphragm and synapse in the coeliac ganglion. Postganglionic fibres then supply the foregut derivatives (stomach/liver/spleen/pancreas/proximal duodenum). This is the basis for splanchnic nerve block.
Reference: RCoA 2021 Primary FRCA Curriculum