Identification of prostaglandins in prevertebral venous blood after preganglionic stimulation of the cat superior cervical ganglion

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Abstract
1 In four out of seven experiments, prostaglandin-like activity was detected in prevertebral venous blood from the superior cervical ganglion, collected during and after preganglionic nerve stimulation. 2 Prostaglandins E1, E2, F2α and a prostaglandin A were identified using solvent partition, column and thin-layer chromatography and bioassay techniques. 3 The release of PGF2α was confirmed by combined gas chromatography-mass spectrometry.